The left atrium
A. receives oxygen-poor blood from the body tissues.
B. receives oxygen-rich blood from the lungs.
C. pumps oxygen-rich blood toward the body tissues.
D. pumps oxygen-poor blood to the lungs.
Answer: B
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This enzyme, which digests carbohydrates, is found in saliva and in the small intestine
A) trypsin B) amylase C) lipase D) pepsin
Light refracts as it passes through the
A. vitreous humor, sclera, and iris. B. lens, aqueous humor, and sclera. C. cornea, retina, and vitreous humor. D. lens, cornea and humors of the eye. E. sclera, iris, and retina.
In general, lipid-soluble hormones exhibit which type(s) of hormone secretion pattern(s)?
A. Chronic and episodic hormone secretion B. Acute and episodic hormone secretion C. Chronic and acute hormone secretion D. Episodic hormone secretion E. Chronic hormone secretion
The point where light rays cross after passing through a concave lens is referred to as the ________.
A. far point of vision B. near point of vision C. depth of focus D. focal point