aid
analyzing
bag
bank
blood
cardiac
cardiologist
cardiology
care
checking
clinic
doctor
donate
donation
donor
equipment
exam
health
healthcare
healthy
heart
hematology
hospital
human
infection
lab
laboratory
medical
medicine
microscope
patient
pharmacy
plasma
plastic
professional
red
research
sample
sampling
science
scientific
supply
surgery
system
technology
testing
transfuse
transfusion
treatment
virus