The ________ will adduct the scapulae and help extend the neck.
A. sternocleidomastoid
B. temporalis
C. deltoid
D. trapezius
Answer: D
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Skeletal muscle produces body movement as well as maintains our ________ as we sit.
A. strength B. vasodilation C. vasoconstriction D. posture
The body is made up of many different cell types, from small circular red blood cells to the elongated smooth muscle cells 20X its size. Why is there such variation in size and shape?
A. Variations in cell shape and size are due to chromosomal differences between cells. B. Cell size and shape does not vary among cell types. C. Different variations in size and shape allow differentiated cell types to perform unique functions. D. Different cell sizes are due to nutritional differences.
Which activity below is not a respiratory event?
a. carbon dioxide is exchanged in the alveoli. b. cells produce nitrogen by their metabolism. c. gas exchange between tissues and the blood. d. oxygen is exchanged in the alveoli. e. pulmonary ventilation.
Developing a hernia is more common in women than men.
a. true b. false