What occurs when one exhales? A. The diaphragm moves down and the rib cage expands.

B. The diaphragm pushes up and the ribs move in and down.

C. The diaphragm moves down and the rib cage moves down.

D. The diaphragm contracts and the rib cage expands.

B

Explanation:

the last statement is correct i.e.

when your heart is not pumping enough blood around your body because your heart is severely failing, you may need an artificial heart. an artificial heart is a mechanical device, about the size of an orange, that is connected to your heart or implanted in your chest to or replace a failing heart.

lifetime activities are certain actions that are either required throughout your life or you choose to do them. for example, eating is considered a lifetime activity, drinking water or other beverages, keeping your body clean, taking medicine. those types of actions are considered lifetime activities.