They need oxygen to survive. This is because oxygen allows them to extract energy to use.

5
They need oxygen to survive. This is because oxygen allows them to extract energy to use.

Transcript of They need oxygen to survive. This is because oxygen allows them to extract energy to use.

Page 1: They need oxygen to survive. This is because oxygen allows them to extract energy to use.

They need oxygen to survive. This is because oxygen allows them to extract energy to use.

Page 2: They need oxygen to survive. This is because oxygen allows them to extract energy to use.

It gets to the cells from the lungs. For the oxygen to get to the lungs, people need to inhale it and it needs go

down the trachea. Then, the lungs transfer the oxygen to the red blood cells in the blood stream. The cell picks up

the oxygen from the red blood cells.

Page 3: They need oxygen to survive. This is because oxygen allows them to extract energy to use.

The lung tissues, epithelial tissue, and red blood tissues.

Page 4: They need oxygen to survive. This is because oxygen allows them to extract energy to use.

The lungs, the heart, the trachea, and the blood vessels.

Page 5: They need oxygen to survive. This is because oxygen allows them to extract energy to use.

The respiratory and circulatory systems.