Tight junctions
a. prevent passage of materials between epithelial cells.
b. force materials to pass through cells.
c. are commonly found in digestive tract linings.
d. all of these answers.
e. none of these answers.
D
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Polysynaptic reflex arcs differ from monosynaptic reflex arcs in that the former have ________, which are not present in the latter.
Fill in the blank(s) with the appropriate word(s).
The sensation of pain is accompanied by motivated ____________________ responses and ____________________ reactions
Fill in the blank(s) with correct word
The study of tissues is ________.
A. histology B. microbiology C. surface anatomy D. molecular biology E. cytology
Place the following parts of a reflex arc in the correct order beginning with the sensory receptor. (1) motor neuron (2) interneuron (3) effector (4) sensory neuron (5) sensory receptor
A. 5, 1, 2, 3, 4 B. 5, 3, 2, 4, 1 C. 5, 4, 3, 2, 1 D. 5, 2, 3, 4, 1 E. 5, 4, 2, 1, 3