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Question
Na+ moves by _____ from the filtrate into the epithelial cells of the proximal tubule.
A. active transport
B. Na+/K+ pump
C. diffusion
D. pinocytosis
Answer
This answer is hidden. It contains 10 characters.
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arteries
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B. decreased, K+
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Cells synthesizing hydroxyapatite in bones are termed as
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B. osteoclasts.
C. osteocytes.
D. osteosarcoma cells.
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Bone resorption is produced by the action of _____________, which return bone calcium and phosphate to the blood.
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B. osteoclasts
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