B. Directions: Complete the paragraph below using the words from the box in previous activity. Write your answer
on the blank.
Oxygen enters the body through the 1.
through 2.
Oxygen then passes through the 3.
lungs through two 4.
the oxygen to the 6.
and mouth. When oxygen goes in through the nose, it passes
where mucus and small hairs help stop dirt and pollen in the air from catering the body.
and then down the lungs. Oxygen then enters both the left and right
These bronchi then splint into much smaller 5
which transports
This is where oxygen is passed into the blood stream and carbon dioxide is
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