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 02 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 not the correct explanation of (A). (c) (A) is true, but (R) is false. (d) (A) is false, but (R) is true.
Answers
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 02 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 not the correct explanation of (A). (c) (A) is true, but (R) is false. (d) (A) is false, but (R) is true.
Explanation:
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 02 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 not the correct explanation of (A). (c) (A) is true, but (R) is false. (d) (A) is false, but (R) is true.
Answer:
both a and r are true and r is correct explanation of a