animation
artery
background
biology
blockage
blood
brain
care
cartoon
cerebral
clot
dead
death
design
diagram
disease
droop
education
flat
head
headache
health
healthy
heart
help
high
human
illness
illustration
japanese
knowledge
life
medical
medicine
mind
neurology
people
pressure
prevention
question
research
science
stroke
symptom
trouble
tumor
vein