What is required for muscles to contract?
a. Myofilaments.
b. Z-lines.
c. ATP molecules.
d. Actin.
Answer: c. ATP molecules.
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During exercise, glucose uptake by muscle cells is increased because of increased insulin secretion
Indicate whether the statement is true or false.
The airways in the lungs terminate in structures which resemble bunches of grapes. Each bunch is called alveolus, while each grape is called an alveoli sac.
a. true b. false
Where would you find olfactory hairs?
A. Scattered among the lamina propria B. At the apical surface of olfactory neurons C. Buried within the olfactory glands D. At the surface of supporting cells E. Concentrated along basal cells
The maximum amount of air the lungs can contain is known as inspiratory capacity.
Answer the following statement true (T) or false (F)