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The peritubular capillaries A. Supply nutrients and O2 to the tubular cells B. Supply substances that...

The peritubular capillaries

A. Supply nutrients and O2 to the tubular cells

B. Supply substances that are secreted by the tubules

C. All of these answers

D. Take up the substances that are reabsorbed by the tubules

E. None of these answers

Science   Anatomy-And-Physiology   
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Answer #1

all of the answers are correct means A ,B,C are correct .

peritubular capillaries : these are tiny blood vessels ,supplied by the efferent arteriole that travel alongside nephrons allowing reabsorption and secretion between blood and inner lumen of the nephron.

  • they reabsorb useful substances such as glucose, amino acids.
  • they secrete certain minerals ions, and excess water to the tubules.
  • they participate in oxygen and nutrient delivery to tubular epithelial cells.
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