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WorksheetsIB The blood system and heart
Total questions: 10
Worksheet time: 6mins
State the structures found in veins and the heart that ensure circulation of blood by preventing backflow.
(a)
Identify the type of blood vessel that carries blood at high pressure away from the heart
Capillaries
Veins
Arteries
Veinules
Identify the blood vessel that carries deoxygenated blood from the heart to the lungs
Pulmonary vein
Pulmonary artery
Vena cava
Aorta
The sino-atrial node is located in which part of the heart?
Septum
Wall of the right atrium
Wall of the left ventricle
Wall of the left atrium
Identify the blood vessel that drains deoxygenated blood into the right atrium
Pulmonary vein
Vena cava
Aorta
Pulmonary artery
What term describes cardiac muscle as it does not require nervous simulation to contract?
(a)
Which structure of arteries maintains the high pressure of blood?
Narrow lumen
Valves
Fenestration walls
Thin walls
Which feature of capillaries allows for the exchange of substances?
Thick walls
Large lumen
Valves
Fenestration walls
What term describes blood with a low concentration of oxygen?
(a)
Which 17th century doctor discovered that blood is in circulation?
Ignaz Semmelweiss
William Harvey
Louis Pasteur
James Watson
