英文關鍵字
detailed
visualization
red
blood
cells
vessel
transport
mechanisms
oxygen
erythrocytes
circulation
human
body
hemoglobin
oxygenation
delivery
flow
cellular
respiration
vascular
system
capillaries
arteries
veins
components
structure
biconcave
shape
plasma
cell
count
health
cardiovascular
exchange
absorption
physiology
distribution
vessels
function
binding
metabolism
levels
analysis
morphology
carriers
uptake
saturation