Circulatory System
Biology ⇒ Human Biology
Circulatory System starts at 6 and continues till grade 12.
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See sample questions for grade 12
A person has a mutation that causes their red blood cells to be sickle-shaped. What is the likely effect on their circulatory system?
Describe the effect of regular aerobic exercise on the circulatory system.
Describe the main function of the circulatory system in humans.
Describe the pathway of blood from the right atrium to the left ventricle.
A patient has a blood pressure reading of 150/95 mmHg. Is this considered normal? (Yes/No)
A person has a mutation that causes their red blood cells to be sickle-shaped. What is the likely effect on their circulatory system?
Calculate the cardiac output if the heart rate is 75 beats per minute and the stroke volume is 70 mL per beat.
A patient is found to have a mutation that causes their blood vessels to lose elasticity. Predict and explain the likely effects on their blood pressure and overall circulatory health.
Which blood vessels have valves to prevent backflow of blood? (1) Arteries (2) Veins (3) Capillaries (4) Arterioles
Which chamber of the heart receives deoxygenated blood from the body? (1) Left atrium (2) Right atrium (3) Left ventricle (4) Right ventricle
Which component of blood is primarily responsible for immune responses? (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma
Which of the following best describes the function of platelets? (1) Oxygen transport (2) Blood clotting (3) Immune response (4) Hormone transport
Fill in the blank: The __________ circuit carries blood between the heart and the lungs.
Fill in the blank: The __________ node initiates the electrical impulse that causes the heart to contract.
Fill in the blank: The __________ valve prevents backflow of blood from the right ventricle to the right atrium.
Fill in the blank: The exchange of gases, nutrients, and waste products between blood and tissues occurs in the __________.
A patient has a blood pressure reading of 150/95 mmHg. Is this considered normal? (Yes/No)
True or False: All arteries carry oxygenated blood.
True or False: Capillaries are the smallest blood vessels in the human body.
True or False: The hepatic portal vein carries blood from the digestive organs to the liver.
