Question

question 1 of 10
which part of the peripheral nervous system is most important in helping you
to walk?

a. autonomic

b. sympathetic

c. parasympathetic

d. somatic

Explanation:

To determine the correct answer, we analyze the functions of each part of the peripheral nervous system (PNS):

• The autonomic nervous system (A) regulates involuntary processes like heart rate and digestion, so it's not involved in voluntary movements like walking.
• The sympathetic (B) and parasympathetic (C) are subdivisions of the autonomic nervous system, also controlling involuntary functions (e.g., "fight - or - flight" and "rest - and - digest" responses), not voluntary movement.
• The somatic nervous system (D) is responsible for voluntary movements, including the muscle contractions needed for walking. It connects the central nervous system to skeletal muscles, enabling us to control our body's movements consciously.

Answer:

D. Somatic