Skin cells play an important role in producing
A) vitamin B. B) vitamin A. C) vitamin D. D) vitamin C.
C
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Amino acids are mainly absorbed across the epithelial wall in the stomach.
Answer the following statement true (T) or false (F)
The oculomotor nerve is a cranial nerve containing nerve fibers that innervate eye muscles and control eye movement. These fibers are examples of
A. motor neurons. B. interneurons. C. sensory neurons. D. unipolar neurons.
The gap between two communicating neurons is termed ________
A) synaptic cleft B) cell body C) effector D) Schwann cell E) node of Ranvier
Which of the following does not play a role in thermoregulation of the testes?
A) The dartos muscle B) The cremaster muscle C) The pampiniform plexus of veins D) The bulbospongiosus muscle E) The countercurrent heat exchanger