The synapse of a motor neuron with a muscle fiber is known as the:
A) motor end plate. B) neuromuscular junction.
C) synaptic cleft. D) synaptic bulb.
Answer: B
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The vessels supplying the pelvic organs with oxygenated blood are the _________________________.
Fill in the blank(s) with the appropriate word(s).
The spinal cord consists of four regions and ________ pairs of spinal nerves
A) five B) twelve C) twenty-five D) thirty-one E) The number varies widely among individuals.
A bone thickens
A) as compact bone is deposited beneath the periosteum of the diaphysis. B) as a result of cell division in the medullary cavity. C) due to increased production of bone matrix by osteoclasts. D) as a result of increased activity within the epiphyseal plate.
The centrioles are found in a zone of cytoplasm close to the nucleus called the ________.
A. vacuole B. cytogel C. proteasome D. cytosol E. centrosome