Food goes in at your mouth. Then it goes a long way.
Chew and spit make food easy to swallow.
Poop is what your body can not use.
It comes out at the end. Most poop is brown.
Whale poop floats. A net can scoop it up.
Pee is extra water. Your body does not need it.
You have two kidneys. Each is the size of a fist.
Your bladder is like a balloon. It gets big as it fills.
When it is full, it tells your brain. Time to go!
Words to know
- bladder: stretchy pee bag
- kidneys: two inside parts
- swallow: gulp down
