CIRCULATORY SYSTEM

The heart

pumps

blood

arond

the bodie.

Arteries

Carry

Oxegen-ated

blood

arond

the

body.

Veins

Carry

deoxy-

genated

blood back

to the

heart.

Have thick

walls

because

they have

a big job.

Have thin

walls.

Cappilaries

Allow water

,oxygen,carbon

dioxcide,other

neutrients and

waste substances

to exchange between

blood and surrounding

tissues.

Heart

Cappilaries

Arteries

Veins