The pH of saliva is
A) highly basic.
B) slightly basic.
C) neutral.
D) slightly acidic.
E) very acidic.
C) neutral.
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At the start of abduction of the arm, the deltoid muscle is assisted by (the)
A) biceps brachii. B) subclavius. C) supraspinatus. D) infraspinatus. E) coracobrachialis.
Vessels that carry blood away from the heart are called ____________________.
arteries sinusoids capillaries veins none of the choices are correct
Glucose in excess of the body's immediate needs is usually converted to protein.
Answer the following statement true (T) or false (F)
The carotid bodies contain ________ chemoreceptors that respond to changes in ________.
A. peripheral; concentrations of carbon, dust, and pollution in the lungs B. central; blood concentrations of H+, but not CO2 and O2 C. peripheral; cerebrospinal fluid concentrations of H+ D. peripheral; blood concentrations of H+ and O2 E. central; cerebrospinal concentrations of CO2