Provide the route that one oxygen molecule, O2, will take as it moves from the room...

Provide the route that one oxygen molecule, O2, will take as it moves from the room air up to its arrival inside the mitochondrion of a cell in a skeletal muscle fiber of the leg. Be detailed, particularly in passing through cell membranes. Write this in flow chart format, using words linked by arrows. Indicate which portion of this route is considered internal respiration, and which portion is considered external respiration.

Expert Solution

Oxygen from inhaled airnasal cavitytrachea bronchiolesalveolar membrane in lungs alveoli of lungs diffuse into blood binds with hemoglobin tiny capillaries that surround skeletal muscle cells diffusion into the cell membrane (passive transport) cytoplasm of cell mitochondria

External respiration is the process of diffusion in lungs. It is indicated in bold.

The rest is internal respiration i.e diffusion of oxygen within tissues

Sydney Mullin answered 2 years ago

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