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Circulatory System
Question | Answer |
---|---|
Circulatory System | |
Heart | muscular organ that contracts at regular intervals, forcing blood though the circulatory system |
Atrium | upper chambers (receive blood) |
Ventricle | lower chambers (pump blood out of the heart) |
Vena Cava | brings blood from the body to the heart |
Artery | brings blood from the heart to other parts of the body |
Aorta | pumps blood form the hear to other parts of the body |
Capillary | network of very small blood vessels |
Blood Pressure | is a measure of the force the blood exerts against the vessels wall |
Blood | Blood transports nutrients, dissolved gases (O2 and CO2), enzymes, hormones and waste products |
Plasma | |
Red Blood Cell | Red blood cells are the most numerous of the blood cell |
White Blood Cell | is to protect the body against foreign invaders by digesting them and destroying them |