Asked by Ashley Cintron on Jul 27, 2024

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The fact that the right side of the brain controls the left side of the body is explained by the

A) division of the cerebrum into two hemispheres.
B) division of the cerebellum into two hemispheres.
C) decussation of the pyramids in the medulla.
D) need for contra-lateral control of body function.
E) brainstem being below the midbrain.

Decussation

The crossing over of nerve fibers or pathways in the brain or spinal cord, allowing for the transmission of signals from one side of the body to the opposite side.

Cerebellum

A part of the brain at the back of the skull in vertebrates, responsible for coordinating voluntary movements and maintaining posture and balance.

  • Comprehend the procedure and relevance of crossing over in the medulla as it pertains to managing the lateral aspects of the body.
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LB
Lillie BodieJul 31, 2024
Final Answer :
C
Explanation :
The decussation of the pyramids in the medulla is where the crossing over of the nerve fibers occurs, explaining why the right side of the brain controls the left side of the body and vice versa.