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16 terms

Heart & Circulatory System

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pericardium
Thin sac enclosing the heart
Septum
a wall of Muscle that divides the two sides of the heart
Atrium
upper chamber of the heart
Ventricle
lower chamber of the heart
Artery
a tiny blood vessel that carries blood from the heart to the body
Coronary Arteries
carry or supply blood to the heart muscle
Vein
a blood vessel that carries blood back to the heart
Aorta
the main and largest artery in the body
Capillary
A tiny blood vessel that connects or links arteries to veins
Superior Vena Cava
Carries blood from the head and arms to the heart. (upper region)
Inferior Vena Cava
Carries blood from the trunk and legs to heart. (lower regions)
Carbon Dioxide
Blood that enter the right side of the heart carries this from the body.
Oxygen
Blood that leaves the left side of the heart carries this to the body.
Pulmonary Artery
carries blood from the heart to the lungs
Diastolic
phase when the heart relaxes and fills.
Systole
The heart contract and pumps during this phase.