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WorksheetsCV System
Total questions: 14
Worksheet time: 7mins
This structure prevents blood from flowing back into the atria when the ventricles contract.
semilunar valve
pulmonary and aortic valves
Tricuspid and bicuspid valves
coronary sinus
The chamber in the heart that receives oxygenated blood from the lungs is
right atrium
right ventricle
left atrium
left ventricle
When blood leaves this chamber of the heart, it heads out to the systemic circulation.
right atrium
right ventricle
left atrium
left ventricle
This blood vessel splits in two and sends oxygen-poor blood to the lungs.
aorta
pulmonary trunk
inferior vena cava
superior vena cava
This structure is responsible for distributing electrical impulses through the heart.
SA node
AV node
bundle branches
Purkinje fibers
One of the body's largest blood vessels that transports blood from the body region below the diaphragm to the heart.
superior vena cava
inferior vena cava
aorta
pulmonary vein
Stops blood flow back into the ventricles each time they contract.
tricuspid valve
bicuspid valve
semilunar valves
mitral valve
When this chamber contracts, it pushes blood through the tricuspid valve.
right atrium
right ventricle
left atrium
left ventricle
When blood leaves this chamber of the heart, it heads to the lungs.
right atrium
right ventricle
left atrium
left ventricle
___ are the smallest blood vessels with the ____ walls.
arterioles/thinnest
capillaries; thickest
capillaries; thinnest
arterioles; thickest
___ are vessels that carry blood away from the heart.
arteries
veins
capillaries
muscles
Oxygen rich blood returns to the heart via the
aorta
vena cava
pulmonary arteries
pulmonary veins
Why is coronary circulation an essential process?
The heart is the organ of love and love is essential for life.
The heart provides nourishment for the organs of the body, and the coronary circulation nourishes the heart.
The heart is essential for life but does not need nourishing because it has pacemaker cells.
The ____ are found in the apex region of the heart.
atria
ventricles
