Both insects and vertebrates have ___________ in their circulatory fluid
a. chylomicrons
b. high density-lipoproteins
c. low-density lipoproteins
d. high-density and low-density lipoproteins
e. chylomicrons, high-density and low-density lipoproteins
D
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A) pill B) diaphragm C) IUD D) female condom E) sponge
Which of the following kidney structures are fewest in number?
A. Minor calyces B. Collecting ducts C. Major calyces D. Medullary pyramids E. Renal corpuscles
What hormone directly opposes the actions of natriuretic hormones?
a)renin b)nitric oxide c)dopamine d)aldosterone
What is the function of the tunica interna?
A. Secretes a chemical to repel platelets so blood can easily flow through the vessel B. Anchors the vessel to surrounding tissue C. Contracts to move the blood through the vessel D. None of these are correct.