OCR GCSE PE Cardiovascular system

Front

Arteries carry blood back to the heart.

Back

False

Front

Chambers of the heart rich in oxygenated blood

Back

Left atrium and left ventricle

Front

Atria receive blood before sending it to ventricles.

Back

True

Front

The heart has a double-circulatory system. The systemic circuit delivers blood to the lungs and returns it to the heart.

Back

False

Front

Valve between left atrium and ventricle

Back

Bicuspid valve

Front

Thin muscular wall, pocket valves, large lumen.

Back

Vein

Front

Primary role of capillaries:

Back

Gaseous exchange of O2 and CO2 at lungs and muscles.

Front

Cardiac output is the volume of blood pumped per minute by each ventricle of the heart.

Back

Volume of blood pumped per minute by each ventricle.

Front

Cardiac output = ? x stroke volume (ml)

Back

Heart rate

Front

Role of red blood cells:

Back

Carry oxygen to muscles & carbon dioxide to lungs for gas exchange.