Drawing of gas exchange process, oxygen (O2) binds to hemoglobin and enters bloodstream from lung alveoli and exit to tissue cells while waste carbon dioxide (CO2) goes from tissue back to the lungs for removal.
Gas exchange in alveloli animation1970-01-01T00:00:00+00:00Air flow and gas exchange in alveolus showing direction of oxygen and carbon dioxide molecules. PT25Shttps://d38zjy0x98992m.cloudfront.net/957697fe-022d-4295-9e9b-b2c3d8a46ca9/gas_exchange_xlarge.jpghttps://d38zjy0x98992m.cloudfront.net/957697fe-022d-4295-9e9b-b2c3d8a46ca9/gas_exchange_mp4_hd_video.mp4