Which of the following correctly describes myoglobin's special function in muscle tissue?
A. breaks down glycogen
B. synthesizes ATP
C. acts as a reservoir for oxygen
D. produces action potentials
E. stores glucose
C
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The teniae coli are
A) tears of the colon. B) longitudinal bands of smooth muscle in the colon wall. C) ridges in the mucosa of the colon. D) polyps that obstruct the sigmoid colon. E) tumors normally confined in the sigmoid colon.
Fine hair called _________, which is unpigmented or lightly pigmented, is the primary human hair and is found on the upper and lower limbs
A. terminal B. lanugo C. vellus D. cuticle E. phalanx
Helper T cells are important only for cell-mediated immune responses.
Answer the following statement true (T) or false (F)
As the volume of the thoracic cavity increases due to the contraction of the muscles of inspiration, what occurs in the lungs and alveoli?
A. Lung and alveolar volumes decrease and intrapulmonary pressure decreases. B. Lung and alveolar volumes decrease and intrapulmonary pressure increases. C. Lung and alveolar volumes increase and intrapulmonary pressure decreases. D. Lung and alveolar volumes increase and intrapulmonary pressure increases.