Name a place in the human body that is particularly acidic. Where are fluids close to neutrality? Where are fluids in the human body particularly basic?
What will be an ideal response?
The stomach produces hydrochloric acid, so the contents of your stomach are quite acidic. However, the pH of your blood and the cytoplasm of your cells are close to neutrality. There is no place in the human body in which the fluids are overly basic (alkaline).
Analyze and Evaluate the Concepts (Essay)
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Three factors that help return blood to the heart are ___________
Fill in the blank(s) with the appropriate word(s).
The coronary arteries supply blood to cardiac tissue. Which chamber of the heart requires the greatest amount of blood supply to keep it working?
A) right ventricle B) left ventricle C) left atrium D) right atrium
Cyclic electron transport is different from noncyclic electron transport in that cyclic electron transport produces
NADPH. __________________ Indicate whether the statement is true or false.
An antibiotic kills 99.9% of a bacterial population. You would expect the next generation of bacteria to
A) be just as susceptible to that antibiotic as was the previous generation. B) be more resistant to that antibiotic. C) die out due to the drastic decrease in population size. D) be more contagious than the prior generation.