12 terms

unit 6_the circulatory system_definitions_ΓΥΝ

words related to the circulatory system - ΚΥΚΛΟΦΟΡΙΚΟ ΣΥΣΤΗΜΑ
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heart
A major organ that pumps blood to the rest of the body
artery
A tube in the body that carries blood from the heart to other parts of the body
aorta
The major tube in the heart that carries blood to the body
vein
a tube in the body that carries blood back to the heart
vena cava
one of the major veins that carries blood back to the heart
pulmonary artery
A tube that relates to the lungs
capillary
A small tube in the body that lets blood and tissue exchange oxygen and nutrients
atrium
One of the two upper chambers of the heart. It holds blood returning to the heart from the lungs and body
ventricle
one of the two lower chambers of the heart which holds blood that is going to be sent out to the body
valve
a structure in the heart that opens and closes. It keeps blood from travelling backwards
arrhythmia
a condition in which the heart beats abnormally
circulatory system
the system of organs and tissues, including the heart, blood, blood vessels, lymph, lymphatic vessels, and lymph glands, involved in circulating blood and lymph through the body.