4 ms·
According to my biology teacher, the urge to breathe is from receptors that detect a higher concentration of carbon dioxide (in blood I suppose), not an absence
by davidzweig 4y ago
According to my biology teacher, the urge to breathe is from receptors that detect a higher concentration of carbon dioxide (in blood I suppose), not an absence of oxygen. She also said if you placed cyanide in your mouth, it would kill on contact with the tongue, before you managed to swallow it.
- InitialLastName 4y agoYour biology teacher might have been correct, but I had a science teacher confidently tell my class (in an affluent, otherwise science-respecting school) that humans don't land on the dark side of the moon because they would float away due to gravity working the other direction (hence the name).