What does the blood do for your body?

it carries vitamins and minerals all over your body.

Right but not complete.

The RBC carries Minrals and other necessery supplements to all over body.

Dessolve oxygen and carries to all part of body where it require.

In Mitochondria oxidize the food and produce energy.

WBC finish the dead cell

Enhance the immunity.

And lots more that i dont know.