4. The functional units of the central nervous system., a. Neuron b. nephron, c. alveoli, d.sertoli cells, 5. The functional units of the kidneys., a. Neuron, b. nephron, c. alveoli, d. Sertoli cells, 6. The functional units of the lungs., a. Neuron b. nephron, c. alveoli, d. sertoli cells, 7. Cells that produce sperm., a. Sertoli cells b. Leydig cells, C. semeniferous tubules, 8. Testosterone in males is produced by, a. Sertoli cells b. Leydig cells, c. semeniferous tubules, 9. This is the most commonly used microscope in the laboratory which focuses light onto a speci, mirror or a light bulb., a. Light microscope, b. Electron microscope, 10. The building blocks of protein., a. Glucose b. amino acids, c. monosaccharides, d. cholestero

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4. The functional units of the central nervous system.


a. Neuron b. nephron
c. alveoli
d.sertoli cells
5. The functional units of the kidneys.
a. Neuron
b. nephron
c. alveoli
d. Sertoli cells
6. The functional units of the lungs.
a. Neuron b. nephron
c. alveoli
d. sertoli cells
7. Cells that produce sperm.
a. Sertoli cells b. Leydig cells
C. semeniferous tubules
8. Testosterone in males is produced by
a. Sertoli cells b. Leydig cells
c. semeniferous tubules
9. This is the most commonly used microscope in the laboratory which focuses light onto a speci
mirror or a light bulb.
a. Light microscope
b. Electron microscope
10. The building blocks of protein.
a. Glucose b. amino acids
c. monosaccharides
d. cholestero​

Explanation:

4. A

5. B

6. C

7. A

8. B

9. A

10. B


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