Circulatory System
Biology ⇒ Human Biology
Circulatory System starts at 6 and continues till grade 12.
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See sample questions for grade 7
A person has a blood pressure reading of 120/80 mmHg. What do these numbers represent?
A student measures their pulse and counts 72 beats in one minute. What is their heart rate?
Describe the difference between arteries and veins.
Describe the path of blood from the right ventricle to the left atrium.
Describe what happens to blood as it passes through the lungs.
Explain the role of valves in the heart.
Explain why regular exercise is good for the circulatory system.
Explain why the walls of the left ventricle are thicker than those of the right ventricle.
What is the function of the septum in the heart?
What is the main function of red blood cells?
What is the main function of the circulatory system?
What is the name of the blood vessel that carries oxygen-rich blood from the heart to the body?
What is the name of the valve between the left atrium and left ventricle?
Which organ is responsible for pumping blood throughout the human body?
A patient has a low number of red blood cells. What effect might this have on their body, and why?
A person has a blockage in a coronary artery. Predict what might happen to the heart muscle and explain why.
Describe what would happen if the valves in veins did not function properly.
Explain how the structure of capillaries allows them to efficiently exchange substances between the blood and body tissues.
Explain why the circulatory system is essential for removing carbon dioxide from the body.
