Question

Explain why the BREATHING RATE of students increased after exercise. Include information about what happens at the level of body systems and at the cell.
Explain why the HEART RATE of the students increased after exercise. Include information about what happens at the level of body systems and at the cell.

Answer 1

Answer:

for why the heart rate increase is because during exercise alot energy is used which means alot of oxygen also used for respiration ,the cells need oxygen to meet the demand of energy so breathing rate increase then to transport oxygen faster then the heart rate also increases.

Answer 2

Answer:

When exercising, your body uses more oxygen and produces more carbon dioxide and your muscles also need energy to contract because of this your breathing needs to increase.

Hope this helps :D