1) Pressure changes caused by 2) your chest muscles PLUS your rib cage cause the volume of your thoracic cavity to change.
Heat causes air to move because the temp. is so hot the chemicals just move or go away.
Air is transferred from your lungs into the balloon, where it diffuses inside the balloon and due to the elastic tendancies causes it to expand from the pressure of the increasing amount of air you blow in.
It can
Momentum
A spirometer is used to measure the amount of air in our lungs.
the expansion and relaxation of your diaphram.
your diafram
breathing is the human action that causes the lungs to be filled with air.
I think you meant move air into the lungs. The muscle is the diaphragm.
what happens when you inhale is that air goes into your lungs and your lungs get bigger ...Actually, your diaphragm moves to expand the volume of your thoracic cavity, which pulls a partial vacuum on your lungs, causing them to expand FIRST...and THEN the partial vacuum created by your expanded lungs causes air to move into them. When you breath out, it causes the reverse to occur.
Suction is the force that "draws" or pulls rather than "drive" air into the lungs.When the diaphragm muscle pulls down, and the ribs expand slightly, the lungs also expand which sucks air into them.(see related links below)
Diaphragm
Lungs Move Oxygen From The Air Into The Blood.
inhale:- the air pressure in the lungs decreases and air moves in. exhale:-air pressure in the lungs increases and air moves out.
The contraction of the diaphragm causes it to move down, increasing the volume of the thoracic cavity. This movement and volume change decrease the pressure in the lungs, and air rushes in.
When your lungs move to bring in air and remove gases you are breathing.
This varies between different people, so a sporty persons lungs would have adapted to hold my air than a normal persons. Also a pro swimmer would have more air capacity in their lungs so they could hold it for longer.