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The membrane between alveoli and capillaries is torn; damage to this capillary–alveolar membrane and small blood vessels causes blood and fluids to leak into the alveoli and the interstitial space (the space surrounding cells) of the lung. [11] With more severe trauma, there is a greater amount of edema, bleeding, and tearing of the alveoli. [17]
Respiratory adaptation begins almost immediately after the initiation of the physical stress associated with exercise. This triggers signals from the motor cortex that stimulate the respiratory center of the brain stem, in conjunction with feedback from the proprioreceptors in the muscles and joints of the active limbs.
Atelectasis is the partial collapse or closure of a lung resulting in reduced or absent gas exchange. It is usually unilateral, affecting part or all of one lung. [2] It is a condition where the alveoli are deflated down to little or no volume, as distinct from pulmonary consolidation, in which they are filled with liquid.
Pulmonary edema (British English: oedema), also known as pulmonary congestion, is excessive fluid accumulation in the tissue or air spaces (usually alveoli) of the lungs. [1] This leads to impaired gas exchange , most often leading to shortness of breath ( dyspnea ) which can progress to hypoxemia and respiratory failure .
After exercise, “light stretching is OK, as long as you don't reach a point where you're feeling pain,” Behm said. Since your muscles will be warm by that point, overdoing it makes you more ...
“Your body might not be ready for the same intensity when you return to an activity like weightlifting, but you’ll rebuild muscle faster because you don’t need to relearn the skill,” adds ...
The alveolar type II epithelial cells are more resistant to damage, so after an insult to the alveoli, most of the damage will occur to the alveolar type I epithelial cells. [5] Left side demonstrate the structure of a normal alveolus including the difference between type I and type II alveolar epithelial cells.
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