Under normal circumstances, which passageway is capable of conducting air, food, or liquid?
A. Nasopharynx
B. Laryngopharynx
C. Glottis
D. Larynx
E. Trachea
Answer: B
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What are the most complex units in the body?
a. Cells. b. Tissues. c. Organs. d. Systems.
Early in puberty, follicle stimulating hormone (FSH) and luteinizing hormone (LH) stimulate enlargement of the testes.
Answer the following statement true (T) or false (F)
Astrocytes help maintain the CNS extracellular milieu by:
A. taking up and redistributing excess K+ and other ions B. wrapping extensions of their cytoplasm around axons C. phagocytosing damaged CNS neurons D. lining the ventricular surface of the CNS E. differentiating into neurons in response to injury
Match the term with its definition: Hydrostatic pressure.
A)The force of a liquid pushing against something B)A solution containing fewer solutes than the cell C)A solution containing the same solutes as the cell D)The force that solutes have to attract water E)A solution containing more solutes than the cell