If you forget your water bottle when you go for a long walk on a warm day,
what signal would most likely be sent to your kidneys?
![If you forget your water bottle when you go for a long walk on a warm day what signal would most likely be sent to your kidneys class=](https://us-static.z-dn.net/files/d9b/e499a241a5b19bea3c00e9731fe2c921.png)