How long is the average trachea?
A. 12-14 inches
B. 12-14 cm
C. 12-14 mm
B
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Contraction of these muscles depresses the ribs, but only during forced exhalation.
A. External intercostals B. Scalenes C. Transversus thoracis D. Internal intercostals E. Serratus posterior inferior
The presence of sex chromatin in a smear of epithelial cells indicates that the donor of the cells is a genetic female
Indicate whether the statement is true or false.
Which neurotransmitter ensures skeletal muscles receive the supply of nutrients needed to make ATP by stimulating the release of more fatty acids and glucose into the blood stream?
A) epinephrine B) norepinephrine C) acetylcholine D) aldosterone
What is the primary function of the large intestine?
A. Protein digestion and nutrient absorption B. Storage of vitamins and minerals C. Secretion of water, salts, sodium bicarbonate, and enzymes D. Water and electrolyte absorption E. None of the choices is correct.