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Human Circulatory System - Coggle Diagram
Human Circulatory System
Blood
red blood cells
transport oxygen
features
no nucleus
haemoglobin
biconcave shape
elastic
white blood cells
fight infections
plasma
contain
water
nutrients
platelets
clot blood
Heart
Muscle
Pumps blood around the body
movement
oxygenated blood
lungs->heart->rest of body
deoxygenated blood
rest of body->heart->lungs
Blood Vessels
arteries
small lumen
thickest muscular wall
withstand high pressure blood
carry blood AWAY from heart
veins
carry blood INTO heart
large lumen
thin muscular wall
has valves
prevent backflow
low pressure blood
capillaries
small lumen
one-cell thick wall
low pressure blood
