Blood enters the kidney through a branch of the aorta called
Correct answer: D. Renal artery
- A. Afferent arteriole
- B. Efferent arteriole
- C. Renal vein
- D. Renal artery
Explanation
Blood enters the kidney through the renal artery, which is a direct branch from the aorta. The renal artery supplies oxygen-rich blood to the kidneys. The afferent and efferent arterioles are smaller vessels involved in kidney filtration, but they are not directly connected to the aorta. The renal vein, on the other hand, carries filtered blood away from the kidney.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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