This figure shows a frontal section of the kidney. What structure does number 5 indicate?
A. Renal medulla
B. Renal lobe
C. Renal sinus
D. Renal pyramid
E. Renal cortex
B
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Describe the two general meanings of the term membrane, as used in biology. Which usage indicates layers of cells and which indicates layers of molecules?
What will be an ideal response?
Blood leaving the heart in the pulmonary arteries has a relatively
A) high oxygen level. B) low carbon dioxide level. C) high pH level. D) low oxygen level. E) None of the answers are correct.
Consider how compact and spongy bone are distributed in different bones of the body. Which of the following would be the best candidate to aspirate red bone marrow from?
A. Humerus B. Temporal C. Ilium D. Femur
Which of the following is NOT a short-term stress response?
A. Blood glucose levels increase B. Blood flow to muscle increases C. Heartbeat and blood pressure increase D. Reduction of inflammation