Which of the following is mismatched?
A. Epididymis - site of sperm maturation
B. Stereocilia - forms sperm cell tails
C. Spermatic cord - passes through inguinal canal
D. Midpiece - mitochondria
E. Ductus deferens - vas deferens
Answer: B
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Bone protrudes through the skin in a fracture called ________.
A. closed B. displaced C. incomplete D. open E. complete
Along with support, the anterior longitudinal ligament of the vertebral column also acts to ________
A) protect the spinal cord B) hold the discs in place C) prevent hyperextension of the spine D) hold the spine erect
People with myasthenia gravis have a deficiency of
A) acetylcholine receptors B) titin molecules. C) troponin molecules. D) sarcomeres.
The two divisions of the autonomic nervous system
A. use preganglionic and postganglionic neurons to innervate skeletal muscle.
B. contain autonomic ganglia to house ganglionic neurons.
C. are voluntary.
D. are composed of PNS structures only.
E. function only during sleep.