Answer: Our heartbeat, digestion, and glandular functioning,works even when we are asleep. This occurs underthe parasympathetic system of the body.
Step-by-step explanation:
Parasympathetic system is one of the three autonomic nervous systems that is also called rest and digest or feed and breed system. This system is activated in the rest situation. It allows the heart to slow down its conduction velocity at the SA and AV node and slows down the heart rate. It causes the contraction of the GIT muscles and relaxes the spinchters and causes the release of secretions so that digestion occurs. It also increases the glandular activity, lacrmination sweating , salivation and secretions.