adult
aid
arm
bag
blood
body
cardiology
care
caucasian
clinic
cure
doctor
donate
donating
donation
donor
equipment
examination
give
hand
hands
health
health care
healthcare
healthy
heart
help
hope
hospital
injecting
injection
life
male
man
medical
medicine
needle
patient
people
plasma
procedure
red
sample
science
support
test
transfusion
treatment
vein
volunteer
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