Yum, it’s time for lunch. Joe and his dad are having pizza with salad and milk. What about you?
Finally, all that’s left is . . .
That was poo. What about pee?
As your blood travels around your body delivering food and oxygen, it also picks up unwanted wastes. The blood gets cleaned when it passes through your kidneys, which remove the wastes and any extra water. The wet waste mix flows through thin tubes into your bladder, where it’s stored until, well, you know.
The chewed food travels down a tube called the esophagus. Strong muscles in the esophagus squeeze and push the food along until it reaches your stomach.
A stomach is like a stretchy sack. It holds all the food you swallowed, but the food doesn’t…
