Respuesta :
- The cells let you know when to drink water or not.
- The cells send a signal when you're cold that you need to shiver.
- You sweat when you're hot / tired.
- You pass out waste products when there is enough in the body.
- The cells send a signal when you're cold that you need to shiver.
- You sweat when you're hot / tired.
- You pass out waste products when there is enough in the body.
