An outstanding shot of a human body
blood vessels perfectly aligned
These are the blood vessels in the finger.
This is why we bleed when we cut our fingers even a little
Who can donate blood to whom
Red Blood Cell Compatibility Table
Mrs J believes that to be true. She's O- I'm A+. If we sit on the porch in the evening, she usually comes in with several bites. I rarely get bitten.
ReplyDeleteNow, that's some scientific proof right there. I'll work on global warming next.
I'm 0+ and they eat me alive!
ReplyDelete