How will you describe the pathway of oxygen in the breathing system?


D. i, ii, spark jumping and charging is good for electric rods for good power


action-at-a-distance forces

applied force.

gravitational force.

normal force.

frictional force.

air resistance force.

tension force.

spring force.


The air enters your nose and to nassal passages for filtering and warming of the air. And it travels down into your windpipe, or trachea then to the bronchia tubes pass through the lungs which divided into smaller air passages called bronchioles. The bronchioles end in tiny balloon-like air sacs called alveoli. :)

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