AQA GCSE Y10 Heart and Blood
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29 Terms
Left Atrium
What's the name of the labeled chambers
Right Atrium
What's the name of the labeled chambers
Left Ventricle
What's the name of the labeled chambers
Right Ventricle
What's the name of the labeled chambers
Atrium
A heart chamber that receives blood.
Ventricle
A heart chamber from which blood is pumped out
Vein
A blood vessel that carries blood back to the heart.
Artery
A blood vessel that carries blood away from the heart
Valve
A flap of tissue in the heart or a vein that prevents blood from flowing backward.
Coronary arteries
Blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle
Heart attack (myocardial infarction)
A reduction in the supply of blood to the heart resulting in damage to the mucked of the heart.
Vena Cava
A large vein carrying deoxygenated blood into the heart
Aorta
Largest artery in the body
Capillaries
Any of the fine branching blood vessels that form a network between the arterioles and venules.
Red blood cells
Blood cells that carry oxygen from the lungs to the body cells.
White blood cells
Blood cells that perform the function of destroying disease-causing microorganisms
Platelets
Fragments of cells that are needed for blood clotting
Plasma
Liquid part of blood
Pacemaker cells in the SA node
Control the rate of heartbeat
Double circulation
-One system pumps blood to the lungs where it becomes oxygenated
-Oxygenated blood enters the second circuit where it is pumped to the rest of the body
Lumen
The space within a blood vessel
Stent
Wire-mesh tube used to keep arteries open
Thrombosis
Blood clot
Cholesterol
A fatty substance that travels through the blood and is found in all parts of the body
Statins
Drugs used to lower cholesterol in the bloodstream
Communicable disease
A disease that is spread from one host to another
Non-communicable disease
A disease not capable of being spread from one person to another
Health
The combination of physical, mental/emotional, and social well-being
Risk factors
Actions or behaviors that represent a potential health threat
Note 
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