BiologyGeneralQuality 61 · Exceptional
Why We Need Oxygen to Live
PR
Hana Kowalski Verified Teacher
@author · 2026-08-10 · v1
7 min read
Cells use oxygen in cellular respiration to extract energy from glucose. The process produces ATP, the cell's energy currency. Without oxygen, cells can only make small amounts of ATP anaerobically — enough for some tissues briefly, but not for the brain, which is why oxygen deprivation is quickly fatal.
0 teacher endorsements
Discussion
Comments support LaTeX — write inline with $...$.
Sign in to join the discussion.
Ethan C.
16 days agoSharing this with my class — exactly what we needed.
Dr. Webb Teacher
16 days agoSame here, going straight into my revision notes.
Chloe S.
16 days agoSharing this with my class — exactly what we needed.
Jamal T.
16 days agoHonestly the clearest version of this I've read on CampusWorld.