All of the following statements are true of inspiration except:
A. the rib cage is elevated.
B. the diaphragm is relaxed.
C. volume in the thoracic cavity has increased.
D. intrapulmonary pressure has decreased.
Answer: B. the diaphragm is relaxed.
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The main function of leukocytes is to
A. trigger allergies. B. defend against pathogens. C. carry oxygen through the blood. D. carry carbon dioxide through the blood. E. form clots.
The ___________carries blood into the kidney, while the ________ carries blood into the glomerulus
Fill in the blank(s) with correct word
Sertoli cells
a. are epithelial cells. b. span the distance from the outer membrane of the tubule to the lumen. c. are joined by tight junctions. d. form gap junctions with the developing sperm. e. all of these.
What term describes the amount of blood ejected from the ventricle per beat?
A. Heart rate B. Cardiac output C. Stroke volume D. Cardiac reserve