Blood from the face and scalp is drained by the
A. cephalic vein.
B. superior vena cava.
C. subclavian vein.
D. external jugular vein.
Answer: D
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The effects of aging on tissues result in _____.?
A) ?a decrease in pigments inside the cell B) ?the cells becoming larger C) ?connective tissue becoming progressively more pliable D) ?much tissue hypertrophy
The perineum is inferior to the pelvic diaphragm.
Indicate whether the statement is true or false.
The hypothalamus functions in:
A) secreting a hormone called melatonin. B) sending information to the cerebral cortex. C) regulating the autonomic nervous system. D) coordinating movement.
When comparing smooth and skeletal muscle cells, which of the following statements is true?
A. Smooth muscle cells have striations. B. The myofilaments in smooth muscle do not form sarcomeres. C. Smooth muscle cells are larger than skeletal muscle cells. D. Smooth muscle has a lot of actin and myosin. E. Smooth muscle cells are multinucleated.