Respiratory rate and heart rate should do what with exercise?
A)Respiratory rate increases,heart rate decreases.
B)Respiratory rate and heart rate both increase.
C)Respiratory rate decreases,heart rate increases.
D)Respiratory rate and heart rate both decrease.

Question

Quizplus · Accepted Answer

During exercise, the body needs more oxygen to produce energy for muscles to work. This is achieved through increased breathing, which leads to an increase in respiratory rate. At the same time, the heart needs to pump more blood to supply oxygen and nutrients to the muscles, leading to an increase in heart rate. Therefore, both respiratory rate and heart rate increase with exercise.

Respiratory Rate and Heart Rate Should Do What with Exercise