The grooves on the surface of the cerebrum are called

A) nuclei.
B) commissures.
C) tracts.
D) sulci.
E) gyri.


Answer: D) sulci.

Anatomy & Physiology

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a. Tight junctions, gap junctions, desmosomes b. Desmosomes, gap junctions, tight junctions c. Gap junctions, desmosomes, tight junctions d. Gap junctions, tight junctions, desmosomes e. Desmosomes, tight junctions, gap junctions

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Blood from the lower limbs, the pelvis, and the lower abdomen is delivered to the __________.

a. hepatic portal system b. common saphenous veins c. hepatic veins d. external iliac veins

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The anterior roots of the spinal nerves contain the ________.

A. axons of motor neurons B. cell bodies of motor neurons C. cell bodies of sensory neurons D. axons of sensory neurons E. axons of both sensory and motor neurons

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Which one of the following incorrectly identifies the parts of a lever within the human body?

A. a bone is the rigid bar B. a joint is the axis of rotation C. a muscle insertion provides the point of force D. COM of the moving segment is the point of resistance E. all of the above are correct

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