350 MILLION! That's alot!
Same as adults. I mean dizziness, laughter, fun... Only worse thing that for adults, that it can damage your lungs badly. I mean teenager's lungs are easier to hurt. And of course if that teenager is stupid, he will get addictive. But that is a problem of himself, not a weed's one.
Turtles have two lungs, one left, one right.
One
a human has two lungs one one each side of the chest (:
Alveoli are the minute sacs inside the lungs that expand and contain a membrane that allows the exchange of oxygen and carbon dioxide, called respiration. One of the major diseases that affect the alveoli is emphysema. That is when the walls between the alveoli breaks down and they lose surface area and become less efficient at respiration.
Lungs have sooo many problems. Asthma is one of them. Your bronichail tubes swells causing air to not be able to get to the lungs as easy
A+ one for preschool children, one for school age children, and one for adults&& hannah(:
There are two phases in one breath: inhalation and exhalation. During inhalation, air is drawn into the lungs, and during exhalation, air is expelled from the lungs.
one my homie
In adults, most primary liver cancers belong to one of two types
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The fetus does not use its lungs to bring oxygen to the blood. (apex)