if your body is in need of more oxygen should you increase or decrease respiration (breathe faster or slower)?

Question

a increase (breathe faster) and breathe more shallowly
b decrease (breathe more slowly) and breathe more slowly

Answer 1

When your body is in need of more oxygen, you should increase respiration (breathe faster). Therefore, the correct answer is:

a increase (breathe faster) and breathe more shallowly.

By breathing faster, you allow for a greater intake of oxygen to meet your body's increased demands.