An atom has 6 electrons, 6 protons, and 6 neutrons. You can tell that this atom belongs to the element _____ because _____________________.
Fill in the blank(s) with the appropriate word(s).
C; it has 6 protons
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Interactions between actin and myosin filaments of the sarcomere are responsible for
A) muscle fatigue. B) the conduction of neural stimulation to the muscle fiber. C) muscle contraction. D) muscle relaxation. E) the striped appearance of skeletal muscle.
________ promotes water reabsorption at the kidneys and stimulates thirst
A) ADH B) Aldosterone C) Calcitonin D) Renin E) Natriuretic peptide
How thick are capillary walls?
a. 1 micrometer b. 10 micrometers c. 100 micrometers d. 1 millimeter e. 10 millimeters
Osteoporosis is characterized by
a. reduced bone mass as a result of diminished laying down of the organic matrix of bone. b. abnormal bone calcification. c. hypocalcemia. d. both (a) and (b) above. e. all of these answers.