The heart is composed of how many Loops?

a.1

b.2 <-------------------

c.3

d.4 2. The blood vessel that carry blood from the heart to the rest of the body are...

Acapillaries

Bveins

Carteries <----------------

Dvalves 3. If you catch a cold, which component of blood do you rely on to help attack the virus that has invaded your blood stream?

Aplasma

Bred blood cells

Cwhite blood cells <--------------

Dplatelets 4. Which component of blood is used to help create a scab after you cut your finger?

Aplasma <---------------

Bred blood cells

Cwhite blood cells D platelets 5. Two key components to keeping your healthy that are within our control are exercise and...

Adiet <----------------

Brest

Cheredity

Denvironment