Answer the following question given this paragraph: The boy in Figure below is working out on a hot day. He's losing a lot of water in sweat. To maintain homeostasis, his body can balance the water lost in sweat by excreting less water in urine. The amount of water lost in urine is controlled by the kidneys. The kidneys are organs of excretion. Q: Which organ in the body controls the amount of water loss in urine in response to maintaining homeostasis? Choices: - lungs - liver - spleen - kidneys A:
kidneys