A single motor neuron together with all the skeletal muscle fibers it innervates is called a:
A) motor end plate. B) synaptic cleft.
C) neuromuscular junction. D) motor unit.
Answer: D
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Exhalation begins when
a) Inspiratory muscles relax b) Diaphragm contracts c) Blood circulation is the lowest d) Both Inspiratory muscles relax and Diaphragm contracts e) All of these choices
Taste is solely a response to chemicals dissolved in ________
Fill in the blanks with correct word
Most of the secreted T4 is
a. phagocytized by target tissues b. converted into T3 after being peripherally stripped of one of its iodine atoms c. able to function as the biologically active form of thyroid hormone at the cellular level d. split to form two DIT molecules, which are excreted in the urine e. able to exert its full biological effect as a result of epinephrine's permissive actions
Which of the following blood vessels directly interface with cells throughout the body?
A. Arterioles B. Capillaries C. Venules D. Veins