Refer to the Figure, Which Shows a Cross Section of an Adult

Multiple Choice

Refer to the figure, which shows a cross section of an adult human brain. The three parts of structure 1 develop from the midbrain and regions of the hindbrain of an embryo and control many autonomic functions, such as breathing and basic motor patterns.Collectively these three parts are known as the

A) brainstem.
B) cerebellum.
C) cerebrum.
D) spinal cord.
E) cerebral cortex.