__________'s very last step involves oxygen.
A) The electron transport system
B) Glycolysis
C) The Krebs Cycle
Answer: A) The electron transport system
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Addison disease
A. causes hyperactivity and high metabolism. B. increases blood glucose levels. C. decreases blood sodium levels. D. decreases blood potassium levels.
The structure of a testis can be described as composed of
A. about 250 lobules, each of which contains 1 to 4 seminiferous tubules. B. a single very long seminiferous tubule that winds through the structure. C. semen in various stages of development held in seminiferous tubules. D. 1 to 4 lobules, each of which contains about 250 seminiferous tubules.
During dehydration the body would increase production of
A) aldosterone and cortisol. B) cortisol and ADH. C) epinephrine and cortisol. D) aldosterone and ADH. E) epinephrine and ADH.
Which of the following is a role of lymph nodes?
A. They return lymph to circulation. B. They filter lymph. C. They produce lymph. D. They produce red blood cells.