6. It is responsible for learning and acquiring skills a bone 7. It secures the quality of oxygen by filtrating them b. brain leaving the good ones in the blood

6. It is responsible for learning and acquiring skills
a bone
7. It secures the quality of oxygen by filtrating them
b. brain
leaving the good ones in the blood and exhausting
c. muscles
the waste gases like carbon dioxide out of the body
d. air sacs
3. It supports and protects another organ
e. kidney
9. It allows human to move​