What is the function of secretion?
What will be an ideal response?
Substances that are harmful to the body, such as drugs, excess hydrogen ions, excess salt ions, and others, may be completely removed from the bloodstream by the tubules, which actively transport them into the filtrate.
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Cnidarians, such as __________________, have muscle fibers
A. clams B. earthworms C. jelly fish D. sea corals
As a child grows, the lungs increase in size as well. Hypothesize what the pressure of the gases within the lungs would be if the lung volume of an individual goes from 3000ml to 4000ml.
A. gas pressure would decrease B. gas pressure would increase C. gas pressure would be unchanged
In which blood vessels do the exchange of gases and other materials occur?
A) arteries B) veins C) capillaries D) right atrium
Eukaryotic chromosomes differ from prokaryotic chromosomes because only eukaryotes have
A. elongated linear, not circular, chromosomes. B. chromosomes in a nucleus. C. several to many chromosomes. D. histone proteins. E. All of these choices are correct.