During excretion of urea there is also a corresponding re-absorption of water into the blood. This re-absorption takes place in the
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Correct Answer: Option A
Explanation:
The correct answer is A: uriniferous tubules.
Explanation:
The uriniferous tubules (also known as nephron tubules) are responsible for both the filtration of waste products and the reabsorption of water into the bloodstream. The tubules include several key regions, such as the proximal convoluted tubule, loop of Henle, distal convoluted tubule, and collecting ducts, where water reabsorption occurs, particularly in the loop of Henle and the collecting ducts.
Here’s why the other options are incorrect:
- B. Bowman's capsule: The Bowman's capsule is where the initial filtration of blood occurs, but it doesn't reabsorb water.
- C. Glomerulus: The glomerulus is a network of capillaries within the Bowman's capsule that is involved in the filtration process, but water reabsorption does not occur here.
- D. Malpighian capsule: This is another term for the Bowman's capsule, so it’s not involved in water reabsorption either.
- E. Renal artery: The renal artery supplies blood to the kidneys but does not play a direct role in water reabsorption.
Thus, the uriniferous tubules are the primary structures where water is reabsorbed into the blood.
The correct answer is A: uriniferous tubules.
Explanation:
The uriniferous tubules (also known as nephron tubules) are responsible for both the filtration of waste products and the reabsorption of water into the bloodstream. The tubules include several key regions, such as the proximal convoluted tubule, loop of Henle, distal convoluted tubule, and collecting ducts, where water reabsorption occurs, particularly in the loop of Henle and the collecting ducts.
Here’s why the other options are incorrect:
- B. Bowman's capsule: The Bowman's capsule is where the initial filtration of blood occurs, but it doesn't reabsorb water.
- C. Glomerulus: The glomerulus is a network of capillaries within the Bowman's capsule that is involved in the filtration process, but water reabsorption does not occur here.
- D. Malpighian capsule: This is another term for the Bowman's capsule, so it’s not involved in water reabsorption either.
- E. Renal artery: The renal artery supplies blood to the kidneys but does not play a direct role in water reabsorption.
Thus, the uriniferous tubules are the primary structures where water is reabsorbed into the blood.