The function of the surfactant in the lung is to help:
a. reduce the surface tension of water in the alveoli
b. trap bacteria and dust
c. move bacteria and dust toward the pharynx
d. both B and C above
a. reduce the surface tension of water in the alveoli
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Which of the following are types of papillae on the tongue that contain taste buds?
A) fungiform and circumvallate B) palatine and circumvallate C) circumvallate and filiform D) fungiform, circumvallate, and filiform
Intrinsic factor aids the absorption of ________ across the intestinal lining.
A) vitamin C B) vitamin B12 C) vitamin D D) vitamin K E) vitamin B5
The only cause of hypotonicity is drinking excess fluid
Indicate whether the statement is true or false
The appetite centers stimulate feeding behavior, whereas the satiety centers inhibit feeding behavior
Indicate whether the statement is true or false