Why are red blood cells not attacked by NK cells?
58951
Presence of MHC on red blood cells
146917
Why draw blood from veins rather than arteries?
111212
Why Doesn't the Adamantium Bone Covering Kill Wolverine?
45077
Do animals other than humans have different blood types?
137149
Does a natural 20 on an attack cause a critical hit (even if the attack would have missed)?
146662
Why do parasites sometimes kill their hosts?
52847
Does a tapped or removed attacking creature still deal its damage?
143959
Is there any evidence that immunity or resistance is heritable?
142134
Multiple Damage Resistance
124181
Can't Nick Just Cure Juliette With His Blood?
32738
Can spells or spell-like abilities do non-lethal damage?
29651
How do multiple natural attacks work?
116117
Do bloodlines not increase your ECL?
134519
If red blood cells have no mitochondria how are they able to metabolize glucose?
130976
How do you distinguish between magic effects that bypass immunity and those that don't?
104975
What is the reason for 'microcytic' anaemia?
76011
Why is blood needed to sign a summoning contract and to use the summoning jutsu?