The respiratory system is a biological system consisting of specific organs and
structures used ... The passage of air into the lungs to supply the body with
oxygen is known as inhalation, and the p...
Your lungs are part of the respiratory system, a group of organs and tissues that
work ... The respiratory system's main job is to move fresh air into your body while
removing ... Air moves in and out through one opening—a branch of the
bronchial tube. ... it creates suction in the chest, drawing in air and expanding the
Air enters the nostrils; passes through the nasopharynx,; the oral pharynx ... In
mammals, the diaphragm divides the body cavity into the ... the volume of the
thoracic cavity causes the lungs to expand, drawing air into them. During
inspiration (inhaling),. The external intercostal muscles contract, lifting the ribs up
The respiratory system also helps us to smell and create sound. ... Changes to
the volume and air pressure in the lungs trigger pulmonary ventilation. ... Internal
Respiration Exchanges Gases Between the Bloodstream and Body Tissues ...
Next Article: Breathing In and Speaking Out > ... Drawing In and Processing Air
Your lungs make up one of the largest organs in your body, and they work with
your ... Now breathe out the air, and feel your chest return to its regular size.
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This helps to keep the air entering the nose from drying out the lungs and other
parts of ... Body cells use the inhaled oxygen gotten from the alveoli of the lungs.
The main parts of this system are the airways, the lungs and linked blood vessels,
and ... that carry oxygen-rich air to the lungs and carbon dioxide out of the lungs.
... Air first enters the body through the nose or mouth, which wets and warms the
air. ... A red blood cell protein called hemoglobin helps move oxygen from the air
Mar 14, 2016 ... How is air moved into and out of the lungs during respiration? ... oxygen to the
cells of the body and then pick up the waste carbon dioxide.
The process of breathing out (called exhalation or expiration) is usually passive
... resting shape and to expel air out of the lungs when inspiratory muscles are
relaxed. ... From developing new therapies that treat and prevent disease to
When you inhale, your lungs draw in oxygen, a gas in the air that we need to live.
The oxygen is then ... your lungs. It helps move breath in and out of your body.