Which of the following is the best example of homeostasis? *
O Heart rate increases when a person exercises
O The chest cavity expands when the diaphragm contracts,
O The biceps muscle relaxes when the triceps muscle contracts,
O Digestive enzymes are secreted when food enters the stomach.

Respuesta :

Answer:

A

Explanation:

Homeostasis' main job is to keep your body balanced, typically with variable factors such as temperature or enzyme amounts. Your heart rate increases to keep your blood pressure steady while you exercise. This way, you can have a relatively balanced blood pressure as you exhilarate yourself.