Question

structure in the hindbrain involved in regulating basic life functions, such as heartbeat and respiration
cortex
nephron
lobule
medulla
pituitary

Explanation:

The medulla in the hind - brain controls vital functions like heartbeat and respiration. The cortex is related to higher - order brain functions, nephron is part of the kidney, lobule is a small lobe in various organs, and the pituitary is an endocrine gland.

Answer:

D. medulla