The grooves on the surface of the cerebrum are called
A) nuclei.
B) commissures.
C) tracts.
D) sulci.
E) gyri.
Answer: D) sulci.
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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
____ are adhering junctions, ____ are impermeable junctions, and ____ are communicating junctions
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
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
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