Biology - Gas Exchange and Lungs
0
0
71 Lượt xem·
15/02/23
At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide. Your bloodstream then carries this waste gas back to the lungs where it is removed from the bloodstream and then exhaled. Your lungs and respiratory system automatically perform this vital process, called gas exchange.
Cho xem nhiều hơn
0 Bình luận
sort Sắp xếp theo