Which is not part of the conducting portion of the respiratory system?
A. Trachea
B. Alveoli
C. Nasal cavity
D. Larynx
E. Bronchi
Answer: B
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Which joint in the body is the most movable?
A) elbow B) hip C) knee D) shoulder
The end products of aerobic respiration are
A) carbon dioxide, water, and ATP. B) pyruvic acid and carbon dioxide. C) carbon dioxide and alcohol. D) oxygen and water. E) NADH and FADH2.
What is the primary function of very low-density lipoproteins (VLDLs)?
a. transporting cholesterol from peripheral tissues back to the liver b. transporting the triglycerides to peripheral tissues c. carrying absorbed lipids from the intestinal tract to circulation d. transporting cholesterol to peripheral tissues
Under normal circumstances, the factors responsible for making delicate adjustments to the heart rate as circulatory demands change are __________.
a. nerve activity and muscular activity b. cardiac output and stroke volume c. autonomic activity and circulatory hormones d. all of the listed factors