★ Vessels Quiz
Which layer of the typical vessel can be regulated to constrict or dilate the lumen?
A. vasa vasorum
B. tunica media
C. tunica externa
D. tunica intima
Select your answer:

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Life Processes › ViewA short tube at the end of the large intestine that stores solid waste is the…
A. stomach
B. rectum
C. liver
Brain › View
In a cross section of the spinal cord, the peripheral ventral white portion consists of __________ forming nerve tracts, and the central gray portion consists of __________ , dendrites, and axons.
A. Unmyelinated axons, neuron cell bodies
B. Myelinated axons, sensory receptors
C. Myelinated axons, neuron cell bodies
D. Myelinated neurotransmitters, axons