LUNGS
- The air goes down the bronchi into the lungs.
BRONCHI
- They are two sacks.
- They are made up of lots of little sacks.
- Our ribs protect them.
- It is a tube that divides into two smaller tubes.
- The nose has two holes called nostrils.
- The hairs clean the air.
NOSTRILS
allows us to breath
WINDPIPE
