Blood undergoes ultrafiltration in the kidney.Â
Define ultrafiltration.Â
Outline the composition and role of the basement membrane in ultrafiltration.Â
Explain the ways in which the following adaptations of the proximal convoluted tubule (PCT) help the PCT to carry out its function.Â
1. | Microvilli on the inner surface | Â |
2. | Many mitochondria in epithelial cells | Â |
3. | Tightly-packed cells in the epithelium | Â |
Distinguish between the afferent and efferent arterioles in the kidney.
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