AQA GCSE Y10 Heart and Blood

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