Question

multiple select question
select all that apply
which are the functions of the spinal cord?
□ it is the center for sensory perception and intellect.
□ it conducts nerve impulses to and from the brain.
□ it cushions impacts, therefore providing shock absorption.
□ it is a center for many reflexes.

Explanation:

1. Analyze each option:

• "It is the center for sensory perception and intellect." The brain (especially the cerebrum) is the center for sensory perception and intellect, not the spinal cord. So this option is incorrect.
• "It conducts nerve impulses to and from the brain." The spinal cord acts as a pathway for nerve impulses traveling between the brain and the rest of the body. This is a correct function.
• "It cushions impacts, therefore providing shock absorption." The meninges and cerebrospinal fluid (CSF) around the brain and spinal cord, along with structures like intervertebral discs (for the spinal column), have shock - absorbing roles, but the spinal cord tissue itself does not primarily cushion impacts. So this option is incorrect.
• "It is a center for many reflexes." The spinal cord contains reflex arcs that allow for many involuntary reflex actions (like the knee - jerk reflex) to occur without input from the brain. This is a correct function.

Answer:

B. It conducts nerve impulses to and from the brain.
D. It is a center for many reflexes.