The Human Body
Breathing
them in order. Then write the sentences on the lines.
DIRECTIONS: The seven sentences below tell what happens when we breathe. Put
1. Air goes into the nose.
2. In the lungs, oxygen goes into the tiny air sacs.
3. Air goes into tiny tubes leading into the lungs.
4.
Oxygen is picked up from the air sacs by the blood.
5. Air passes through the wind pipe.
6. Oxygen is carried all over the body by the blood.
7. Blood carries carbon dioxide back to the lungs where it is breathed out.