8 - Human Body Systems - Cardiovascular List 1

heart

•  muscular organ that pumps blood throughout the body

•  barrier that separates the left and right sides of the heart

• fight germs in the bloodstream

• thin walled tubes that carry blood towards the heart

atria (plural)

atrium (singular)

• very small, very thin blood vessels, site of oxygen and carbon dioxide exchange in the body

• two upper chambers of the heart, receive blood from the body

•  carry oxygen in the bloodstream

•  thin flaps of tissue inside the heart that work like a one way door

ventricles

•  proteins and cell pieces in blood that clump together to clot (stop bleeding)

• fight germs in the bloodstream

•  two lower chambers of the heart, sends blood to the body

•  two upper chambers of the heart, receive blood from the body

septum

• barrier that separates the left and right sides of the heart

•  liquid part of blood, mostly water and some salts, nutrient and wastes

•  thick walled tubes that carry blood away from the heart to the body

• muscular organ that pumps blood throughout the body

heart valves

•  carry oxygen in the bloodstream

•  proteins and cell pieces in blood that clump together to clot (stop bleeding)

• thin flaps of tissue inside the heart that work like a one way door

•  muscular organ that pumps blood throughout the body

plasma

• fight germs in the bloodstream

• thin walled tubes that carry blood towards the heart 

•  liquid part of blood, mostly water and some salts, nutrient and wastes

•  proteins and cell pieces in blood that clump together to clot (stop bleeding)

white blood cells (WBC)

• two lower chambers of the heart, sends blood to the body

• carry oxygen in the bloodstream

•  fight germs in the bloodstream

• very small, very thin blood vessels, site of oxygen and carbon dioxide exchange in the body

red blood cells (RBC)

• carry oxygen in the bloodstream

•  two lower chambers of the heart, sends blood to the body

•  fight germs in the bloodstream

• barrier that separates the left and right sides of the heart

platelets

•  thick walled tubes that carry blood away from the heart to the body 

• two lower chambers of the heart, sends blood to the body

• proteins and cell pieces in blood that clump together to clot (stop bleeding)

•  thin flaps of tissue inside the heart that work like a one way door

arteries

•  muscular organ that pumps blood throughout the body

•  thick walled tubes that carry blood away from the heart to the body 

• thin walled tubes that carry blood towards the heart 

• very small, very thin blood vessels, site of oxygen and carbon dioxide exchange in the body