Circulatory System
Biology ⇒ Human Biology
Circulatory System starts at 6 and continues till grade 12.
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See sample questions for grade 9
A patient has a blockage in the coronary arteries. What part of the body is most directly affected?
A person has a blood pressure reading of 120/80 mmHg. What does the 120 represent?
A person is experiencing shortness of breath and fatigue. Their doctor suspects a problem with the left ventricle. Explain why this could cause these symptoms.
Describe the difference between systemic and pulmonary circulation.
Describe the path of blood flow through the heart, starting from the right atrium.
A patient has a blockage in the coronary arteries. What part of the body is most directly affected?
A person has a blood pressure reading of 120/80 mmHg. What does the 120 represent?
A person is experiencing shortness of breath and fatigue. Their doctor suspects a problem with the left ventricle. Explain why this could cause these symptoms.
Which blood vessel carries deoxygenated blood from the body to the heart?
(1) Pulmonary vein
(2) Aorta
(3) Vena cava
(4) Pulmonary artery
Which blood vessel has the highest blood pressure?
(1) Vein
(2) Capillary
(3) Artery
(4) Venule
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 mainly responsible for clotting?
(1) Red blood cells
(2) White blood cells
(3) Platelets
(4) Plasma
Fill in the blank: The ________ circuit carries blood between the heart and the lungs.
Fill in the blank: The ________ circuit delivers oxygenated blood to the body tissues.
Fill in the blank: The ________ node acts as the natural pacemaker of the heart.
Fill in the blank: The ________ valve is located between the left atrium and the left ventricle.
True or False: Arteries always carry oxygenated blood.
True or False: Blood in the pulmonary artery is rich in oxygen.
True or False: Capillaries connect arteries to veins.
True or False: The heart is an involuntary muscle.
