Respiratory Systems
Q1) After playing basketball with his friends, Tom checked his breathing rate again. He found that his breathing rate was 20 breaths per minute. Why was his breathing rate higher?
The body needs more oxygen and hence, the breathing increases.
Q2) Jerry ran around the track for 20 minutes.(a) What would happen to his heartbeat after 20 minutes? (b)Why is this so?
a) His heartbeat rate increases.
b) His heartbeat increases so that the blood will be able to transport the required oxygen and food to the different parts of the body.
No comments:
Post a Comment