A person with asthma has more difficulty expiring than inspiring, giving rise to the characteristic "wheeze" as air is forced out through the narrowed airways
Indicate whether the statement is true or false
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A freely moveable joint is called a __________.
Fill in the blank(s) with the appropriate word(s).
Whenever an amino acid is used for cellular respiration, it enters the pathway at the intermediate stage
Indicate whether this statement is true or false.
Which of the following is the best explanation for why the cells of the proximal convoluted tubule (PCT) contain so many mitochondria?
A) Cells of the PCT go through a great deal of mitosis. B) A great deal of active transport takes place in the PCT. C) Contraction of the PCT moves filtrate through the tubule. D) This provides the energy needed to fight kidney infection.
A glomerulus is
A) the expanded end of a nephron. B) the portion of the nephron closest to the renal corpuscle. C) the portion of the nephron that attaches to the collecting duct. D) a "knot" of capillaries that lies within the Bowman's capsule. E) the hairpin-shaped segment of the nephron.