Match the following items.
1 .
O
filters out liquid waste
2 .
villi
cools the body
3 .
kidneys
produces bile
4 .
vein
carries blood back to the heart
5 .
AB
place where oxygen and carbon dioxide exchange
6 .
air sac
universal blood receiver
7 .
atrium
universal blood giver (donor)
8 .
liver
upper chamber of the heart
9 .
skin
takes in dissolved food
10 .
ventricle
lower chamber of the heart