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21 tháng 7 2021

The total volume of blood pumped through the heart per day is:
70 x 70 x 60  x 24 = 7 056 000 ( ml )
7 056 000 ml = 7 056 l => It closest to 7000 l so we choose D
Answer: D. 7000 l

21 tháng 7 2021

In 1 minute, it can pumped:

70 x 70 = 4900 ( ml )

In 1 hour, it can pumped:

1 hour : 60 (minutes)

4900 x 60 = 294 000 ( ml )

In 1 day, it can pumped:

1 day = 24 hour

294 000 x 24 = 7056000 ( ml )

7056000 ml = 7056 l

Answer: 7056 l

Một người bình thường có nhịp tim trung bình là 75 nhịp / phút. Tim anh ta đập bao nhiêu lần trong 24 giờ?

      A.106.000 lần               B.180.000 lần                     C.1.800 lần                           D.108.000 lần

8 tháng 6 2021

2 phút trước

A normal person has an average heart rate of 75 beats per minute. How many times does his heart beat pẻ 24 hours?

     A.106,000 time                 B.180,000 times                 C.1,800 times                   D.108,000 times

1. The _________ pumps blood through the body.capillariesdiaphragmtrachealungspulsearteriesheartsystembloodveinscarbon dioxide2. My at-rest _______ rate is usually about 80 beats per minute.capillariesdiaphragmtrachealungspulsearteriesheartsystembloodveinscarbon dioxide3. The ____________ is located below the lungs.capillariesdiaphragmtrachealungspulsearteriesheartsystembloodveinscarbon dioxide4. Your heart and _________ have to work harder if you're...
Đọc tiếp

1. The _________ pumps blood through the body.

capillaries

diaphragm

trachea

lungs

pulse

arteries

heart

system

blood

veins

carbon dioxide

2. My at-rest _______ rate is usually about 80 beats per minute.

capillaries

diaphragm

trachea

lungs

pulse

arteries

heart

system

blood

veins

carbon dioxide

3. The ____________ is located below the lungs.

capillaries

diaphragm

trachea

lungs

pulse

arteries

heart

system

blood

veins

carbon dioxide

4. Your heart and _________ have to work harder if you're overweight.

capillaries

diaphragm

trachea

lungs

pulse

arteries

heart

system

blood

veins

carbon dioxide

5. The _____are the tubes that carry blood from the heart to other parts of the body.

capillaries

diaphragm

trachea

lungs

pulse

arteries

heart

system

blood

veins

carbon dioxide

6. The ______ is a tube-like structure within the neck and upper chest. It transports air to and from the lungs when a person breathes.

capillaries

diaphragm

trachea

lungs

pulse

arteries

heart

system

blood

veins

carbon dioxide

7. Humans breathe out ______, which plants need to live.

capillaries

diaphragm

trachea

lungs

pulse

arteries

heart

system

blood

veins

carbon dioxide

8. Our lungs, trachea, and diaphragm work together as a ______.

capillaries

diaphragm

trachea

lungs

pulse

arteries

heart

system

blood

veins

carbon dioxide

9. There is ______ on my hand. I think I cut my finger.

capillaries

diaphragm

trachea

lungs

pulse

arteries

heart

system

blood

veins

carbon dioxide

10. All the ______ in the body carry blood back to the heart.

capillaries

diaphragm

trachea

lungs

pulse

arteries

heart

system

blood

veins

carbon dioxide

1
26 tháng 2 2022

heart

 

Ai đó dịch cho tui nha! Mk sẽ tick nhiều! nếu thế thì tốt quá! Làm ơn đó! Nhớ đừng lên mạng tra nhé! Nội dung văn bản như sau: Tossing and turning at night could double the risk of a heart attack People who toss and turn in their sleep are twice as likely to suffer a heart attack, research suggests. Scientists said regular waking in the night should be seen as a warning of future ill-health.The study of nearly 13,000 people found that people who struggled to sleep...
Đọc tiếp

Ai đó dịch cho tui nha! Mk sẽ tick nhiều! nếu thế thì tốt quá! Làm ơn đó! Nhớ đừng lên mạng tra nhé!

Nội dung văn bản như sau:

Tossing and turning at night could double the risk of a heart attack People who toss and turn in their sleep are twice as likely to suffer a heart attack, research suggests. Scientists said regular waking in the night should be seen as a warning of future ill-health.The study of nearly 13,000 people found that people who struggled to sleep through the night were 99 per cent more likely to suffer from heart attacks or severe angina. Those who took more than half an hour to fall asleep or got less than six hours of sleep a night were also at increased risk. The Japanese research did not establish why there were such a strong association between sleep and heart health. But scientists said that the act of constant waking might cause “overactivity” in the nervous system, which could raise heart the heart rate and blood pressure, placing extra strain on the heart. Poor sleep could also be a symptom of poor health, meaning that those with heart problems were less likely to get a decent night’s sleep. The research found people who took more than half an hour to fall asleep had a 52 per cent increased heart attack risk and 48 per cent increased risk of a stroke. And those who got less than six hours of sleep a night were 24 per cent more likely to have a heart attack.

Ai dịch được tui công nhận người đó giỏi thiệt!

1
19 tháng 9 2017

Theo các nhà nghiên cứu, những người không muốn ngủ có nguy cơ mắc bệnh đau tim gấp đôi nguy cơ đau tim bình thường . Các nhà khoa học cho biết thức giấc thường xuyên vào ban đêm được xem như một lời cảnh báo về sức khoẻ không lành mạnh trong tương lai. Nghiên cứu gần đấy cho thấy rằng 13.000 người là những người phải vật lộn để ngủ vào ban đêm là 99% có nguy cơ bị đau tim hoặc đau thắt ngực nghiêm trọng. Những người mất hơn nửa giờ để ngủ hoặc ngủ ít hơn sáu giờ đồng hồ cũng có nguy cơ gia tăng bệnh . Nghiên cứu của Nhật Bản đã không xác định được lý do tại sao lại có một mối liên hệ mạnh mẽ giữa giấc ngủ và sức khoẻ của trái tim. Nhưng các nhà khoa học cho biết, hành động thức tỉnh liên tục có thể gây ra tình trạng "kích hoạt quá mức" trong hệ thần kinh, làm tăng nhịp tim và huyết áp, gây thêm căng thẳng lên tim. Ngủ kém cũng có thể là triệu chứng của tình trạng sức khoẻ kém, có nghĩa là những người có vấn đề về tim ít có khả năng ngủ ngon giấc. Cuộc nghiên cứu cho thấy những người phải mất hơn nửa giờ để ngủ có nguy cơ đau tim tăng 52% và 48% nguy cơ cơ thể bị đột quỵ tăng cao. Và những người có ít hơn sáu giờ để ngủ một đêm là 24 % nhiều khả năng bị đau tim.

Read the following passage carefully and then choose the best answer to  each question. As heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. High-fat diets and "life in the fast lane" have long been known to contribute to the high incidence of heart failure. But according to new studies, the list of risk factors may be significantly longer and quite...
Đọc tiếp

Read the following passage carefully and then choose the best answer to  each question.

As heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. High-fat diets and "life in the fast lane" have long been known to contribute to the high incidence of heart failure. But according to new studies, the list of risk factors may be significantly longer and quite surprising.

          Heart failure, for example, appears to have seasonal and temporal patterns. A higher percentage of heart attacks occur in cold weather, and more people experience heart failure on Monday than on any other day of the week. In addition, people are more susceptible to heart attacks in the first few hours after waking. Cardiologists first observed this morning phenomenon in the mid-1980, and have since discovered a number of possible causes. An early-morning rise in blood pressure, heart rate, and concentration of heart stimulating hormones, plus a reduction of blood flow to the heart, may all contribute to the higher incidence of heart attacks between the hours of 8:00 A.M. and 10:00 A.M.

           In other studies, both birthdays and bachelorhood have been implicated as risk factors. Statistics reveal that heart attack rates increase significantly for both females and males in the few days immediately preceding and following their birthdays. And unmarried men are more at risk for heart attacks than their married counterparts. Though stress is thought to be linked in some way to all of the aforementioned risk factors, intense research continues in the hope of further comprehending why and how heart failure is triggered.

The word "trigger" as used in line 2 is closest in meaning to which of the following?

A. affect                

B. cause                

C. encounter                  

D. involve

1
22 tháng 1 2017

B

Trigger = gây ra, kích thích, khiêu khích. Cause = gây ra. Affect = ảnh hưởng. Encounter = chạm trán, đối mặt. involve = bao gồm

Read the following passage carefully and then choose the best answer to  each question. As heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. High-fat diets and "life in the fast lane" have long been known to contribute to the high incidence of heart failure. But according to new studies, the list of risk factors may be significantly longer and quite...
Đọc tiếp

Read the following passage carefully and then choose the best answer to  each question.

As heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. High-fat diets and "life in the fast lane" have long been known to contribute to the high incidence of heart failure. But according to new studies, the list of risk factors may be significantly longer and quite surprising.

          Heart failure, for example, appears to have seasonal and temporal patterns. A higher percentage of heart attacks occur in cold weather, and more people experience heart failure on Monday than on any other day of the week. In addition, people are more susceptible to heart attacks in the first few hours after waking. Cardiologists first observed this morning phenomenon in the mid-1980, and have since discovered a number of possible causes. An early-morning rise in blood pressure, heart rate, and concentration of heart stimulating hormones, plus a reduction of blood flow to the heart, may all contribute to the higher incidence of heart attacks between the hours of 8:00 A.M. and 10:00 A.M.

           In other studies, both birthdays and bachelorhood have been implicated as risk factors. Statistics reveal that heart attack rates increase significantly for both females and males in the few days immediately preceding and following their birthdays. And unmarried men are more at risk for heart attacks than their married counterparts. Though stress is thought to be linked in some way to all of the aforementioned risk factors, intense research continues in the hope of further comprehending why and how heart failure is triggered.

According to the passage, which of the following is NOT a possible cause of many heart  attacks?

A. decreased blood flow to the heart          

B. increased blood pressure

C. increase in hormones                    

D. lower heart rate

1
2 tháng 12 2018

D

Từ dòng 5 đoạn 2: An early-morning rise in blood pressure, heart rate, and concentration of heart stimulating hormones, plus a reduction of blood flow to the heart, may all contribute to the higher incidence of heart attacks -> sự tăng huyết áp vào sáng sớm dễ gây đau tim hơn -> huyết áp thấp ít nguy cơ đau tim hơn -> D sai

Read the following pasage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.As heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. High-fat diets and "life in the fast lane" have long been known to contribute to the high incidence of heart failure. But according to new studies, the list of risk...
Đọc tiếp

Read the following pasage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

As heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. High-fat diets and "life in the fast lane" have long been known to contribute to the high incidence of heart failure. But according to new studies, the list of risk factors may be significantly longer and quite surprising.

Heart failure, for example, appears to have seasonal and temporal patterns. A higher percentage of heart attacks occur in cold weather, and more people experience heart failure on Monday than on any other day of the week. In addition, people are more susceptible to heart attacks in the first few hours after waking. Cardiologists first observed this morning phenomenon in the mid-1980, and have since discovered a number of possible causes. An early-morning rise in blood pressure, heart rate, and concentration of heart stimulatin hormones, plus a reduction of blood flow to the heart, may all contribute to the higher incidence of heart attacks between the hours of 8:00 A.M. and 10:00 A.M.

In other studies, both birthdays and bachelorhood have been implicated as risk factors. Statistics reveal that heart attack rates increase significantly for both females and males in the few days immediately preceding and following their birthdays. And unmarried men are more at risk for heart attacks than their married counterparts. Though stress is thought to be linked in some way to all of the aforementioned risk factors, intense research continues in the hope of further comprehending why and how heart failure is triggered .

Which of the following is NOT cited as a possible risk factor?

A. Having a birthday

B. Getting married

C. Eating fatty foods

D. Being under stress

1
4 tháng 1 2019

 Chọn C

Thứ nào sau đây không được nhắc đến là yếu tố rủi ro?

A. Sinh nhật.

B. Kết hôn.

C. Ăn đồ dầu mỡ.

D. Chịu áp lực.

Dẫn chứng: (đoạn 3): birthdays, bachelorhood, stress

Read the following pasage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questionsAs heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. High-fat diets and "life in the fast lane" have long been known to contribute to the high incidence of heart failure. But according to new studies, the list of risk...
Đọc tiếp

Read the following pasage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions

As heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. High-fat diets and "life in the fast lane" have long been known to contribute to the high incidence of heart failure. But according to new studies, the list of risk factors may be significantly longer and quite surprising.

Heart failure, for example, appears to have seasonal and temporal patterns. A higher percentage of heart attacks occur in cold weather, and more people experience heart failure on Monday than on any other day of the week. In addition, people are more susceptible to heart attacks in the first few hours after waking. Cardiologists first observed this morning phenomenon in the mid-1980, and have since discovered a number of possible causes. An early-morning rise in blood pressure, heart rate, and concentration of heart stimulating hormones, plus a reduction of blood flow to the heart, may all contribute to the higher incidence of heart attacks between the hours of 8:00 A.M. and 10:00 A.M.

 

In other studies, both birthdays and bachelorhood have been implicated as risk factors. Statistics reveal that heart attack rates increase significantly for both females and males in the few days immediately preceding and following their birthdays. And unmarried men are more at risk for heart attacks than their married counterparts. Though stress is thought to be linked in some way to all of the aforementioned risk factors, intense research continues in the hope of further comprehending why and how heart failure is triggered .

Which of the following is NOT cited as a possible risk factor?

A. Having a birthday

B. Getting married

C. Eating fatty foods

D. Being under stress

1
13 tháng 12 2018

B

Kiến thức: Đọc hiểu

Giải thích:

Điều nào sau đây KHÔNG được trích dẫn như một yếu tố nguy cơ gây bệnh tim?

A. Có sinh nhật                                    B. Kết hôn

C. Ăn thực phẩm có chất béo               D. Bị căng thẳng

Thông tin:

- In other studies, both birthdays and bachelorhood have been implicated as risk factors.

- High-fat diets and "life in the fast lane" have long been known to contribute to the high incidence of heart failure.

- Though stress is thought to be linked in some way to all of the aforementioned risk factors…

Chỉ có đáp án B là không chính xác.

Đáp án:B

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 30 to 34. As heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. High-fat diets and „life in the fast lane” have long been known to contribute to the high incidence of heart failure. But according to new studies,...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 30 to 34.

As heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. High-fat diets and „life in the fast lane” have long been known to contribute to the high incidence of heart failure. But according to new studies, the list of risk factors may be significantly longer and quite surprising.

Heart failure, for example appears to have seasonal and temporal patterns. A higher percentage of heart attacks occur in cold weather, and more people experience heart failure on Monday than on any other day of the week. In addition, people are more susceptible to heart attacks in the first few hours after waking. Cardiologists first observed this morning phenomenon in the mid-1980s and have since discovered a number of possible causes. An early-morning rise in blood pressure, heart rate, and concentration of heart-stimulating hormones, plus a reduction of blood flow to the heart, may all contribute to the higher incidence of heart attacks between the hours of 8:00 A.M and 10 A.M.

In other studies, both birthdays and bachelorhood have been implicated as risk factors. Statistics reveal that heart attack rates increase significantly for both females and males in the few days immediately preceding and following their birthdays. And unmarried men are more at risk for heart attacks than their married counterparts. Though stress is thought to be linked in some way to all of the aforementioned risk factors, intense research continues in the hope of further comprehending why and how heart failure is triggered.

Which of the following is NOT cited as a possible risk factor?

A. having a birthday

B. getting married

C. eating fatty foods

D. being under stress

1
8 tháng 1 2018

Cái nào dưới đây không được trích dẫn như một nguyên nhân tiềm ẩn gây ra đau tim?

A. tổ chức sinh nhật

B. kết hôn

C. ăn đồ có nhiều chất béo

D. bị căng thẳng

Thông tin:

- High-fat diets and „life in the fast lane’

- In other studies, both birthdays and bachelorhood

Tạm dịch:

- Khẩu phần ăn có nhiều chất béo và cuộc sống hối hả (căng thẳng)

- Trong các nghiên cứu khác, cả sinh nhật và cuộc sống của người chưa có vợ.

Chọn B