______ blood cells are a key part of the immune system
The part of blood that carries nutrients, proteins, hormones, and waste products
Special proteins made by some types of white blood cells that helps the body get rid of foreign materials
______ blood can be separated into its different parts to be used for transfusions after people donate blood
Pumps blood throughout the body
With each ______, oxygen is being delivered to every cell in the body
Where blood is sent to pick up oxygen
Where large blood-filled arteries run close to the surface of the skin
A process the body uses to gather platelets together to seal blood leaks
Blood gets its bright red color when hemoglobin picks up _____ from the lungs and releases ______ to different body parts
Constantly being made in bone marrow and other parts of the body, such as the spleen
_____ and other waste materials are carried by blood to be removed from the body
A pulse point where you can feel blood traveling through the body
Blood cells and some of the special proteins blood contains can be replaced by giving a person blood from another person, a process called a blood ______
Blood cells more plentiful in the body
Blood moves all throughout the body to keep all ______ working
Blood vessels blood travels through to go back to the heart and lungs get more oxygen
A system made up of blood vessels that carry blood away from and toward the heart
A life sustaining fluid humans cannot live without