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Misconceptions
Pulmonary |
- • Air is breathed in and out of the body without being absorbed or used in any appreciable way.
- • Oxygen is absorbed through the stomach with food.
- • Oxygen is used as a kind of “fuel” in the lungs to power a reaction. The energy produced by this reaction is sent out to the heart to make it pump and/or to the body.
- • Carbon dioxide is used oxygen (transformation occurs in lungs).
- • The act of breathing makes the heart pump.
- • There is only one tube and it connects the mouth and nose with the stomach. Both food and air travel through it.
- • There are two tubes, one to the stomach and one that takes air directly to the heart to be pumped to the body.
- • There are two tubes, one from the nose for air and one from the mouth to the stomach for food.
- • There is one tube that goes to the lungs then proceeds on to the stomach.
- • Lungs are hollow balloon-like sacs with or without vessels spread along the entire lung or hanging from the walls.
- • Lungs are empty because the air is going into the heart not into the lungs first.
- • Lungs are a single tube that may be connected to the heart or emptying into the stomach.
- • The lung “tube” students call the esophagus.
- • Students do not draw two separated lungs, but only one sac with two connected areas.
- • The lungs hold only a small amount of air, under 2 liters.
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