EDEXCEL GCSE PE Cardio-respiratory

Which of the following is NOT a function of the cardiovascular system?

• Transports oxygen & carbon dioxide

• Controls body's temperature

• Clots blood

• Nutrient storage

When veins swell or dilate; widening of the lumen

• Vasoconstriction

• Vasodilation

• Vasowidening

• Vasonarrowing

When veins shrink down; narrowing of the lumen

• Vasoconstriction

• Vasodilation

• Vasowidening

• Vasonarrowing

What is vascular shunting?

• The increase in blood flow to the working muscles

• The decrease in blood flow to the working muscles

• The increased removal of CO2

• The increased removal of lactic acid

The main blood vessel directing blood away from the left ventricle to the body

• Vena Cava

• Aorta

• Pulmonary vein

• Pulmonary artery

The main blood vessel directing blood away from the right ventricle to the lungs

• Vena Cava

• Aorta

• Pulmonary vein

• Pulmonary artery

The main blood vessel directing blood away from the lungs to the left atrium

• Vena Cava

• Aorta

• Pulmonary vein

• Pulmonary artery

The main blood vessel directing blood away from the body to the right atrium

• Vena Cava

• Aorta

• Pulmonary vein

• Pulmonary artery

The structures prevent the backflow of blood

• Atria

• Valves

• Ventricles

• Septum

Systole is the phase when the heart does what?

• Contracts

• Relaxes

• Expands

• Shrinks