Vocabulary
Cardiovascular System:
Collection of organs that transfer blood throughout the body
Collection of organs that transfer blood throughout the body
Blood
The human body contains about 4-5 liters of blood. Blood is made up of:
Atrium: Upper chamber in the heart Lub-Dub: The sound the heart makes when valves shut Types of blood vessels: Arteries, capillaries, and veins Capillaries: Blood vessels that allow for the exchange of nutrients & waste between blood and body cells |
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Heart:
Organ made of muscle that pumps blood Ventricle:
Lower chamber in heart Valves: Flap-like structures in between atria and ventricles that prevent blood from flowing backwards Arteries: Blood vessels that carry blood away from the heart Veins: Blood vessels that carry blood back to the heart Aorta: Large artery that carries blood away from the heart |
A more exhaustive list:
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