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WorksheetsCardiovascular System
Total questions: 18
Worksheet time: 13mins
Which one of the following is not a function of the cardiovascular system
Regulates body temperature
Removes waste products
Production of red and white blood cells
Transports oxygen
What is the function of the pulmonary and systemic circuits?
In the pulmonary circuit the blood travels from the right side of the heart to the lungs. In the systemic circuit blood travels from the left side of the heart to all body parts.
In the pulmonary circuit the blood travels from the left side of the heart to the lungs. In the systemic circuit blood travels from the right side of the heart to all body parts.
What valve prevents blood going back into the right atrium?
Tricuspid valve
Pulmonic valve
Aortic valve
Mitral valve
Oxygenated blood travels back to the heart and enters the left atrium via the (a)
When the right ventricle contracts and pumps oxygenated blood, what takes it to the lungs?
(a)
The arteries that branch into smaller arteries are called (a)
What is the role of the precapillary sphincters?
Decrease blood pressure
Regulate blood flow
Prevent blood backflow
What happens in the capillaries to help get rid of waste products?
(a)
What is the only vein which does not transport deoxygenated blood from the body to the heart?
(a)
Heart rate is the number of what per minute?
(a)
What is stroke volume?
Amount of blood pumped from left atrium per heartbeat.
Amount of blood pumped from right ventricle per heartbeat.
Amount of blood pumped from left ventricle per heartbeat.
What is the equation for working out cardiac output?
(a)
When blood is being pumped faster stroke volume will increase. What will this also increase?
venules
capillaries
blood pressure
During exercise, what % does blood flow to muscles increase to?
17ml / 100ml
15ml/ 100ml
10ml/ 100ml
20ml / 100ml
What increases in the blood when the skeletal muscles work harder?
(a)
Does vasodilation...
increase blood to an area
restrict blood flow to an area
What is the % of blood flow to the digestive system when at rest?
25 - 30%
35 - 40%
15-20%
When the heart becomes larger, thicker and stronger muscular walls this is known as cardiac (a)
