Protects underlying organs from mechanical damage and synthesizes vitamin D.
A) Skeletal
B) Nervous
C) Integumentary
D) Muscular
C) Integumentary
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Growth hormone secretion is ________ during sleep.
A. decreased B. decreased, then increased C. increased, then stopped D. increased
What type of motor neuron stimulates skeletal muscle fibers to contract by the excitation-contraction mechanism?
A) upper motor neuron B) interneuron C) ?-motor neuron D) ?-motor neuron
Which of the following statements about simple epithelia is false?
A) They afford little mechanical protection. B) They are characteristic of regions where secretion or absorption occurs. C) They line internal compartments and passageways. D) They cover surfaces subjected to mechanical or chemical stress. E) They are avascular.
Which are considered parts of the renal corpuscle?
A. Glomerulus B. Collecting duct C. Glomerular (Bowman's) capsule D. Loop of Henle