
Bruce F. answered 07/25/19
Effective, gentle, fun. One of my students won award for most-improved
You need a pathologist to answer this one, but the items you mentioned - hair, nails - are not living tissue anyway. That's why you can cut them without pain or blood.
Jesse E.
Pozhitkov AE, Neme R, Domazet-Lošo T, et al. Tracing the dynamics of gene transcripts after organismal death. Open Biology. 201706/28/19