Which of the following respiratory surface properties enhances the diffusion of respiratory gases?
a. large surface area
b. thick epithelial layer
c. cool temperatures
d. the presence of active transport pumps
e. presence of carbon dioxide
A
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All of the following diseases are classified as ciliopathies except
A) Kartagener's triad. B) Bardet?Bieldl syndrome. C) Meckel?Gruber syndrome. D) Griscelli's disease. E) polycystic kidney disease.
In females, meiosis begins ____ while in males meiosis begins ____
a. before birth; after birth b. at puberty; before birth c. at birth; before birth d. at puberty; after birth e. before birth; before birth
A hydroxide ion has an oxygen atom
A. only. B. and an extra electron. C. and a hydrogen atom, and an extra electron. D. and a hydrogen atom, and an extra proton.
rhythmic contraction of tubular organs
What will be an ideal response?