adult
analyzing
arm
bag
blood
care
check
clinic
doctor
donate
donating
donation
donator
donor
expertise
fasting
green
hand
healing
health
healthcare
hospital
indoors
injecting
injection
laboratory
male
man
medical
medicine
needle
nurse
patient
people
person
receiving
red
sample
science
specified
sterile
surgical
syringe
test
transfused
transfusion
volunteer
woman
young