Urine is conveyed out of the body by a tube called the ________________.
Fill in the blank(s) with the appropriate word(s).
urethra
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Cells within the adipose tissue that store lipids are called
A) Adipocytes. B) Fat bodies. C) Hepatopancreas. D) Blubber.
Excessive thirst is called ____
a. polydipsia b. polynurea c. polyphagia d. glycosuria
Shannon was the pitcher on her softball team. During one game, a batter hit the ball and it ricocheted off the left side of Shannon's head, knocking her temporarily unconscious. She eventually regained consciousness, but experienced severe pain near her left temple. Within a few hours, Shannon had trouble moving her right upper limb and became lethargic. Her team captain brought her to the emergency room, where the physician diagnosed her with an epidural hematoma. Why did Shannon experience the problems with her right upper limb? The hematoma likely was impinging on what brain structure?
a. left precentral gyrus b. left postcentral gyrus c. left cerebral nuclei d. left cerebellum
Drugs called calcium channel blockers may be used to lower blood pressure by causing arteries to vasodilate. How do you suppose these drugs work?
A. They prevent calcium from entering cardiac muscle, thus slowing down the heart rate. B. They prevent calcium from entering smooth muscle, thus allowing the muscle to relax. C. They prevent calcium from entering the sarcoplasmic reticulum of smooth muscle. D. They prevent calcium from exiting the sarcoplasmic reticulum in skeletal muscle. E. They stimulate the calcium pump in smooth muscle, thus removing calcium from the calmodulin.