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Given below are the two statements labelled Assertion (A) and Reason (R).
A: The cardio-respiratory system regulates the vital processes of supplying our body with nutrients, cellular waste, hormones and O2 for its smooth functioning.
R: When we exercise, the body demands more O2 and nutrients. So, the heart operates harder to pump more blood throughout the body to meet the increased demands.
In the context of the two statements given above, which one of the following is correct?
  • a)
    Both (A) and (R) are true and (R) is the correct explanation of (A)
  • b)
    Both (A) and (R) are true but (R) is ṉot the correct explanation of (A)
  • c)
    (A) is true, but (R) is false
  • d)
    (A) is false, but (R) is true
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Given below are the two statements labelled Assertion (A) and Reason (...
Assertion (A): The cardio-respiratory system regulates the vital processes of supplying our body with nutrients, cellular waste, hormones, and O2 for its smooth functioning.

Reason (R): When we exercise, the body demands more O2 and nutrients. So, the heart operates harder to pump more blood throughout the body to meet the increased demands.

Explanation:

The cardio-respiratory system, which includes the heart, blood vessels, and lungs, plays a crucial role in supplying our body with essential nutrients, oxygen, and eliminating waste products. The assertion (A) states that this system is responsible for regulating these vital processes to ensure the smooth functioning of the body.

During exercise, the body requires increased amounts of oxygen and nutrients to meet the high energy demands. The reason (R) correctly explains that the heart operates harder to pump more blood throughout the body. This increased blood flow is necessary to deliver oxygen and nutrients to the working muscles and organs. By pumping more blood, the heart ensures that the body's increased demands are met.

The cardiovascular system responds to exercise by increasing the heart rate and stroke volume. The heart rate increases to pump blood at a faster rate, and the stroke volume increases to pump more blood with each beat. This allows a greater supply of oxygen and nutrients to reach the muscles and organs involved in exercise.

The reason (R) provides a logical explanation for why the cardio-respiratory system regulates the vital processes mentioned in assertion (A). When the body demands more oxygen and nutrients during exercise, the heart responds by working harder to meet these increased demands.

Therefore, both assertion (A) and reason (R) are true, and reason (R) is the correct explanation of assertion (A).

Answer: Option (A) Both (A) and (R) are true, and (R) is the correct explanation of (A).
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Given below are the two statements labelled Assertion (A) and Reason (R).A: The cardio-respiratory system regulates the vital processes of supplying our body with nutrients, cellular waste, hormones and O2 for its smooth functioning.R: When we exercise, the body demands more O2 and nutrients. So, the heart operates harder to pump more blood throughout the body to meet the increased demands.In the context of the two statements given above, which one of the following is correct?a)Both (A) and (R) are true and (R) is the correct explanation of (A)b)Both (A) and (R) are true but (R) is ot the correct explanation of (A)c)(A) is true, but (R) is falsed)(A) is false, but (R) is trueCorrect answer is option 'B'. Can you explain this answer?
Question Description
Given below are the two statements labelled Assertion (A) and Reason (R).A: The cardio-respiratory system regulates the vital processes of supplying our body with nutrients, cellular waste, hormones and O2 for its smooth functioning.R: When we exercise, the body demands more O2 and nutrients. So, the heart operates harder to pump more blood throughout the body to meet the increased demands.In the context of the two statements given above, which one of the following is correct?a)Both (A) and (R) are true and (R) is the correct explanation of (A)b)Both (A) and (R) are true but (R) is ot the correct explanation of (A)c)(A) is true, but (R) is falsed)(A) is false, but (R) is trueCorrect answer is option 'B'. Can you explain this answer? for Humanities/Arts 2024 is part of Humanities/Arts preparation. The Question and answers have been prepared according to the Humanities/Arts exam syllabus. Information about Given below are the two statements labelled Assertion (A) and Reason (R).A: The cardio-respiratory system regulates the vital processes of supplying our body with nutrients, cellular waste, hormones and O2 for its smooth functioning.R: When we exercise, the body demands more O2 and nutrients. So, the heart operates harder to pump more blood throughout the body to meet the increased demands.In the context of the two statements given above, which one of the following is correct?a)Both (A) and (R) are true and (R) is the correct explanation of (A)b)Both (A) and (R) are true but (R) is ot the correct explanation of (A)c)(A) is true, but (R) is falsed)(A) is false, but (R) is trueCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Humanities/Arts 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Given below are the two statements labelled Assertion (A) and Reason (R).A: The cardio-respiratory system regulates the vital processes of supplying our body with nutrients, cellular waste, hormones and O2 for its smooth functioning.R: When we exercise, the body demands more O2 and nutrients. So, the heart operates harder to pump more blood throughout the body to meet the increased demands.In the context of the two statements given above, which one of the following is correct?a)Both (A) and (R) are true and (R) is the correct explanation of (A)b)Both (A) and (R) are true but (R) is ot the correct explanation of (A)c)(A) is true, but (R) is falsed)(A) is false, but (R) is trueCorrect answer is option 'B'. Can you explain this answer?.
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