What are the smallest conducting passageways of the lungs?
A) main (primary) bronchi
B) alveoli
C) terminal bronchioles
D) alveolar ducts
C
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At each junction of an A band and I band, the surface membrane dips into the muscle fiber to form a(n) ____________________
Fill in the blank(s) with correct word
In general, the parasympathetic nervous system is ____________________ to the digestive tract, whereas the sympathetic nervous system is ____________________
Fill in the blank(s) with correct word
The most abundant cation in the ECF is
A) chloride. B) potassium. C) sodium. D) bicarbonate. E) calcium.
The most superficial wall of the pleural cavity is lined by the ________, whereas the outer surface of the lungs is covered by the ________.
A. parietal pleura; visceral pleura B. mesothelium; endothelium C. visceral peritoneum; parietal peritoneum D. visceral pleura; parietal pleura E. parietal pericardium; visceral pericardium