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Descends. When you inspire, the diaphragm descends, the thoracic volume inreases, the intra-thoracic pressure drops. The difference in the environmental pressure and the intra-thoracic pressure causes air to flow into the lungs.
Wiki User
∙ 12y ago
Wiki User
∙ 11y agoBreathing In or Inhalation
The diaphragm contracts to become less dome like while the ribs swing upward and outwards action to raise the sternum. As lung volume increases the air pressure inside decreases. As the atmospheric pressure outside the body is now higher, air is drawn down the aiways into the lungs.
Breathing Out or Exhalation
The diaphragm relaxes and the elastic stretched lungs recoil allowing the sternum and ribs to move down and inwards. As lung volume decreases the air is compressedraising the pressure within the lungs. Air is puhsed back along the airways and out through the nose and mout.h
Wiki User
∙ 15y agoNo, the diaphragm moves the lungs which moves air in and out.
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Which describes the action of the diaphragm and chest cavity when you exhale and squeeze air from the lungs?
it will changes the air pressure in the thoratic cavity by increasing or decreasing the thoratic volume
What takes place you initate and exhale?
When you inhale, your diaphragm contracts and moves downward, and when you exhale, your diaphragm relaxes and moves upward.
Movement of the diaphragm during inhalation?
During inhalation, the diaphragm contracts flattening out its usual dome shaped appearance. This has the effect of lengthening the lungs and increasing the intrapulmonary volume. When the volume increases, the pressure drops and air flows into the lungs.
What is the importance of diaphragm?
The importance of diaphragm is that it helps the functionality of the lungs. The diaphragm will contract and expand so as it regulate the air pressure in the lungs.
What happens to the diaphragm when a person inhales?
The diafragm moves downward and the intercostal muscles contract pushing the chest outward and upward causing negative pressure in the lung structure - air will allways move from a high pressure area to a low pressure area, hence, into the lungs.
The diaphragm moves air into and out of the what of a mammal?
Lungs.
What moves air in and out the lungs?
the diaphragm
When you breath out which direction does your diaphragm go?
When you breathe out the diaphragm moves upwards to push the air out of the lungs. When you breathe in the diaphragm moves downwards to draw air into the lungs. When you breathe out your diaphragm contract and moves upwards towards your head. when you breathe in too much your diaphragm explodes
When air moves into the lungs when the diaphragm muscles do what?
The diaphragm moves down to make the lungs expand (inhalation)
Air moves into the lungs when the diaphram muscle?
Air moves into the lungs when the diaphragm is flattened. The diaphragm is relaxed (arched) during expiration.
What does the diaphragm muscle do when air moves into the lungs?
The diaphragm moves down to make the lungs expand (inhalation)
What happens when the diaphragm moves downward and the rib cage moves up and out?
The opposite. When you exhale, the diaphragm moves upward to push the air out of the lungs.
What moves up and down to egt air out of the lungs?
The diaphragm.
Which two statement describe how the diaphragm works?
the chest rises the diaphragm curves upward air rushes in the chest moves downward the diaphragm flattens air rushes out
A sentence using diaphragm?
When you breath, your diaphragm moves up and down , causing air to flow into and out of the lungs .
What is a muscle that helps to bring air into a mammal's lungs?
The diaphragm helps bring air into animal lungs.
What moves air out of the lings during normal relaxed exhalation?
the diaphragm
