英文關鍵字
aorta
arteries
artery
artioventricular
blood
body
brain
cardiovascular
cava
cells
circulatory
cornary
disease
environment
fight
flow
gases
glands
heart
homeostasis
hormones
internal
lumph
network
nutrients
organs
oxygen
plasma
platelets
pulmonary
rbc
system
temperature
valves
vast
veins
vena
ventricles
vessels
wbc