Please enable JavaScript.
Coggle requires JavaScript to display documents.
The Circulatory System (3 Main Roles (transport, Defence against disease,…
The Circulatory System
3 Main Roles
transport
Defence against disease
regulating body temperature
Blood cells
Red blood cells
transport oxygen to cells so that respiration can take place
White Blood cells
protect us from disease
Platelets
tiny fragments of larger cells
They help blood to clot
Blood Vessels
Arteries
Carry blood away from the heart
Veins
Carry blood to the heart
Capillaries
Tiny blood vessels that link arteries and veins