aid
alcohol
analyzing
antisepsis
antiseptic
bank
blood
care
checking
clinic
collecting
dna
doctor
donation
donor
health
healthy
hematology
hospital
lab
laboratory
man
medical
medicine
needle
nurse
patient
plasma
preparation
preparing
red
research
rubbing
sample
sampling
storage
supply
surgery
syringe
taking
test
testing
transfuse
transfusion
treatment
tube
vein
virus
woman
work