adult
arm
bag
blood
care
caucasian
clinic
doctor
donation
donor
emergency
equipment
examination
female
giving
hand
happy
health
healthcare
hematology
hospital
illness
injecting
injection
laboratory
man
medical
medicine
needle
nurse
patient
people
physician
procedure
protection
sample
science
shot
sickness
sterile
surgical
syringe
test
transfused
transfusion
treatment
two
vein
woman
young