@[email protected] to [email protected]English • 3 months agoWhat was a fact taught to you in school that has been proven false during your lifetime?message-square214fedilinkarrow-up1166
arrow-up1166message-squareWhat was a fact taught to you in school that has been proven false during your lifetime?@[email protected] to [email protected]English • 3 months agomessage-square214fedilink
minus-square@[email protected]linkfedilink33•3 months agoThat blood is actually blue until it gets in contact with air
minus-square@[email protected]linkfedilink7•3 months agoEasy to proof: Vaccumated capsule to draw blood. No contact with air and still red.
minus-square@[email protected]linkfedilinkEnglish3•edit-23 months agoI remember my science teacher in seventh grade saying this. I was just very confused because my mother who was a nurse said it was just a dark red.
That blood is actually blue until it gets in contact with air
Easy to proof: Vaccumated capsule to draw blood.
No contact with air and still red.
I remember my science teacher in seventh grade saying this. I was just very confused because my mother who was a nurse said it was just a dark red.