The figure illustrates a detailed drawing of the neuromuscular junction. What does "B" represent?
A. Presynaptic terminal
B. Sarcolemma
C. Synaptic vesicles
D. Synaptic cleft
E. Postsynaptic membrane
Answer: A
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Changes in blood osmolarity within capillaries of the hypothalamus are a signal for ADH release. The neurons that are sensitive to these changes in osmolarity are _________
Fill in the blank with correct word.
Select the correct statement regarding epithelia.
A) Simple epithelia form impermeable barriers. B) Stratified epithelia are tall, narrow cells. C) Stratified epithelia are present where protection from abrasion is important. D) Pseudostratified epithelia consist of at least two layers of cells stacked on top of one another.
The ________ is/are the origin of all leukocytes
a. lymph nodes b. spleen c. tonsils d. bone marrow e. thymus
The corticospinal tracts function in the control of