The final process in production of sperm, yielding cells with small heads and long tails, is called ________
A) gametogenesis B) spermiogenesis C) spermatogenesis
Answer: B
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Physical connections of the medulla include
A) all fibers connecting the brain to the spinal cord. B) ascending tracts, but not descending tracts, from the brain. C) descending tracts, but not ascending tracts, to the brain. D) direct links between the spinal cord and cerebellarl hemispheres. E) All of the answers are correct.
Saliva does not
a. facilitate swallowing b. serve as a solvent for molecules that stimulate taste buds c. hydrolyze glucose to facilitate its absorption by the oral mucosa d. have antibacterial action e. aid speech
The electroencephalogram (EEG) is a recording of ________
A) electrical activity of muscles of the skull B) summed electrical activity of many neurons in the brain C) electrical potentials in the skin of the scalp
Iron is stored in the body mainly as a protein-iron storage complex called:
A. glycogen. B. hemochromatosis. C. myoglobin. D. transferrin. E. ferritin.