aid
analyzing
bag
bank
blood
blood work
care
checking
clinic
collecting
doctor
donate
donor
health
healthcare
healthy
heart
hematology
hospital
infection
lab
laboratory
man
medical
medicine
needle
nurse
patient
phlebotomist
plasma
red
research
sample
sampling
science
storage
supply
surgery
syringe
system
test
testing
transfuse
transfusion
treatment
tube
vein
virus
woman
work