Key Vocab - 07. Circulatory System

Front

circulatory system / cardiovascular system

Back

Organ system made up of blood, blood vessels, and the heart

Front

circulate / circulation

Back

A continuous movement within a closed system

Front

elimination

Back

Removal of a substance or things

Front

atrium (atria)

Back

Upper chamber (cavity) of the heart

Front

ventricle

Back

Lower chamber (cavity) of the heart

Front

valve

Back

A lid or doorway that allows for the entry or exit of a substance, when it is closed it prevents backflow of liquid such as blood

Front

septum

Back

A muscular wall separating the left and right side of the heart to prevent mixing oxygen-rich and oxygen-poor blood

Front

aorta

Back

Muscular artery that carries oxygen rich blood from the left ventricle of the heart to the body

Front

pulmonary artery

Back

Artery that carries oxygen poor blood from the right ventricle of the heart to the lungs

Front

pulmonary vein

Back

Vein that carries oxygen rich blood from the lungs to the left atrium