Respiratory notes - Respiratory Rest No movement Inhalation...

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Respiratory Rest: No movement Inhalation: Diaphragm pushes down External intercostal muscles push chest forward Goal: increase lung volume by moving air inside, decrease pressure o Atmospheric pressure: 760 o Alveolar pressure: 758 (pressure drops) HIGH to LOW, air will make its way inside the lungs Exhalation: Diaphragm moves up Chest moves back to normal position Goal: decrease volume by pushing air out, increase pressure o Atmospheric pressure: 760 o Alveolar pressure: 762 (pressure increases) HIGH to LOW, air will make its way outside the lungs Dalton’s Law: every gas exerts its own partial pressure Henry’s Law: the amount of gas dissolved is proportional to its partial pressure and solubility coefficient at a constant temperature lungs dump O2 into blood vessels/pulmonary veins and will transport it to the heart, the heart will pump it out to the system making its way to the systemic capillaries, then it will exchange between blood and tissues.
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