Question

answer these questions.​

Answer 1

I don't know how to solve the problem

Answer 2

Explanation:

1.The pulse rate is exactly equal to the heartbeat, as the contractions of the heart cause the increases in blood pressure in the arteries that lead to a noticeable pulse.

Taking the pulse is, therefore, a direct measure of heart rate.

2. Yes, because the pulse rate is exactly equal to the heartbeat, as the contractions of the heart cause the increases in blood pressure in the arteries that lead to a noticeable pulse.

3. The graph tell us that the pulse rate is always equal to the heartrate/ beat..

4. No, the heartrate is not same in all age and conditions.. Normal heart rates at rest:

Children (ages 6 - 15) 70 – 100 beats per minute

Adults (age 18 and over) 60 – 100 beats per minute