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Inhalation (Inspiration) results from the contraction of the external intercostal muscles, in tandem with the contraction (flattening) diaphragm as well. This increases the volume in the thorax and hence lowers the pressure inside the lungs compared to the outside environment. Air moves from a region of high pressure to a region of low pressure and so the process of inhalation is complete.
Wiki User
∙ 11y ago
Wiki User
∙ 11y agoThe diaphragm (muscle) contracts, causing an expansion of the intrapleural cavity (space between the pleura of the lungs), and the lungs expand.
When the lungs expand, it makes a partial vacuum (negative pressure) inside the lungs, which pulls air into them (from the nose/mouth, into the bronchii, through the alveoli, and into the lungs).
As air passes through the alveoli (which are tiny air sacs surrounded by capillaries), the oxygen in the air binds to the hemoglobin in red blood cells, turning it into oxyhemoglobin, and giving the blood its reddish color. This oxygen-rich blood is pumped back into the heart, and out to the rest of the body, where the oxygen can detach from hemoglobin to be used in oxidative phosphorylation (generating energy for cells).
Once the cells use the oxygen to generate energy (in the form of ATP, adenosine triphosphate), they form carbon dioxide.
This carbon dioxide is reattached to hemoglobin in red blood cells to form carboxyhemoglobin, which gives oxygen-poor blood a bluish color.
This blood is pumped back to the heart, and back through the alveoli in the lungs, where the carbon dioxide detaches, is breathed out of the body, and fresh oxygen can be breathed back in, starting over the entire process again.
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Which phase of breathing inhalation or exhalation is considered active and passive?
Inhalation is an active process and exhalation is a passive process
When lungs inflate which part of the breathing process is this?
inhalation
In which process is it when oxygen enters the lungs?
Inhalation/Inspiration
What is the process of inhalation into the lungs?
I think you mean Respiration
what is to breath?
The opposite to breathing in
What is the process in which toxic substances are brought into the body through the respiratory system?
Inhalation
The contraction of the diaphragm and rib muscles and expansion of the chest cavity are part of which process?
Inhalation
What 2 muscles work together during inhalation?
The diaphragm and the external intercostal muscles.
What is the process of respiration in man?
respiration in man involves two stages.they are inspiration and expiration.inspiration means inhalation of oxygen.during inspiration respiration in man involves two stages.they are inspiration and expiration.inspiration means inhalation of oxygen.during inspiration
What step in ventilation requires muscle work?
The inhalation phase. During the inhalation phase, the diaphragm contracts and this requires energy expenditure. The exhalation phase, on the other hand, only involves passive muscle recoil of the diaphragm and does not require work or energy.
What aides in the process of inhalation?
Negative pressure produced by the contraction of certain muscles like the diaphragm muscle and the intercostal muscles.
What learning and development opportunities are available to you?
Learning is the process which starts with the beginning of our life and end with our life. We get lots of opportunities of learning and development in whole life and these developments change with the nature of work we do. The whole process of learning and development of our life is called EXPERIENCE.
