The two divisions of the autonomic nervous system are the ____________________ and ____________________.?
Fill in the blank(s) with correct word
parasympathetic, sympathetic
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Which of the following are palpable landmarks of the neck? a: Sternal notchb: Xiphoid processc: Trachead: Larynxe: Acromion
A. a, b, c, d, e B. a, b, c, e C. b, c, d, e D. b, c, d E. a, c, d
Which is a TRUE statement about excitation-contraction coupling?
A. In skeletal muscle cells, it requires the influx of extracellular calcium ion. B. In skeletal muscle cells, excitation-contraction coupling begins when an action potential propagates along the sarcoplasmic reticulum membrane. C. Calcium-induced calcium release plays a role in cardiac muscle cells, as well as in some smooth muscle cells. D. In smooth muscle cells, it must be preceded by an action potential in the cell membrane. E. In all kinds of muscle it requires the entry of calcium from the extracellular fluid.
Metabolic H2O produced during cell metabolism and released into the ECF averages about 1,350 mL per day
a. True b. False Indicate whether the statement is true or false
Which way would O2 and CO2 diffuse during internal respiration?
a) Both O2 and CO2 would diffuse into the systemic capillaries. b) O2 would diffuse into the systemic capillaries, and CO2 would diffuse into the cells. c) O2 would diffuse into the pulmonary capillaries and CO2 would diffuse into the alveoli. d) O2 would diffuse into the cells, and CO2 would diffuse into the systemic capillaries.