5 ms·
For tests, healthcare professionals draw a very small amount (some tubes hold less than 5ml, each). Donating blood takes upwards of 550ml out of your system. I
by fb03 6y ago
For tests, healthcare professionals draw a very small amount (some tubes hold less than 5ml, each).
Donating blood takes upwards of 550ml out of your system. It's in another league entirely. They unfortunately cannot be compared like this.
- joshxyz 6y agohalf a liter sweet jesus thats a lot
- stoneman24 6y ago“That’s almost an arm full” old Tony Hancock reference for the older British reader (google Tony Hancock blood donor Sketch).
- mft_ 6y agoThe only difference is the equipment, a little time, and the volume you ultimately end up with.