Keratin and collagen are considered ________ proteins.
A. structural
B. fibrous
C. functional
D. Both structural and fibrous are correct.
Answer: D
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Muscles that move the knee joint are collectively referred to as ________ muscles.
A. leg B. knee C. calf D. thigh E. hip
Which of the following statements concerning the dorsal and ventral respiratory groups is false?
A. There is cross communication between these two groups. B. These groups increase the number of action potentials to the respiratory muscles during inspiration. C. They are located in the reticular activating system. D. Two dorsal and two ventral respiratory groups make up the medullary respiratory center. E. These groups establish the basic rate and depth of breathing.
Schwann cells and satellite cells are examples of neuroglial cells in the ______ nervous system.
A. peripheral B. central
________ tissue(s) can be characterized as striated and involuntary.
A. Cardiac muscle B. Skeletal muscle C. Smooth muscle D. Cardiac and skeletal muscle