1.
the strong, smooth tissue that covers the end of the bones to prevent them rubbing together
2.
joins two bones together
3.
a group of tissues working together to perform a function
4.
the bones that protect the lungs
5.
joins a muscle to a bone
6.
all the bones in an organism
7.
the structures inside the lungs where gas exchange takes place with the blood
8.
the gas removed from our bodies as a waste product
9.
the gas that our bodies need to respire
10.
the sheet of muscle used in breathing
