science words to now for the Final

connect arteries and veins

carry blood away from the heart

carry blood back to the heart

white blood cells helps protect the body from disease-causing agents called

protects the skin and gives it its color

the thinnest layer of skin and the outermost layer is composed of dead skin cells

red blood cells contain ______ which transports oxygen and carbon dioxide

fight infections and diseases

help to clot blood

is the liquid part of blood and is mostly water

bones are mostly made up of

connects bones to other bones

muscles and bones are connected by