Circulatory System
Biology ⇒ Human Biology
Circulatory System starts at 6 and continues till grade 12.
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See sample questions for grade 8
A doctor measures a patient's pulse at the wrist. What is being measured?
A patient has a blockage in the coronary arteries. What part of the body is most directly affected?
Describe the difference between pulmonary and systemic circulation.
Describe the path of blood flow through the heart, starting from the right atrium.
Describe what happens during a heartbeat.
A doctor measures a patient's pulse at the wrist. What is being measured?
A patient has a blockage in the coronary arteries. What part of the body is most directly affected?
A person has a cut and starts bleeding. Which component of blood helps stop the bleeding? (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma
A person has a cut and starts bleeding. Which component of blood helps stop the bleeding? (1) Red blood cells (2) White blood cells (3) Platelets (4) Plasma
The circulatory system is made up of which three main components? (1) Heart, lungs, veins (2) Heart, blood, blood vessels (3) Lungs, blood, arteries (4) Heart, brain, blood
Which blood vessel carries blood from the heart to the lungs? (1) Pulmonary artery (2) Pulmonary vein (3) Aorta (4) Superior vena cava
Which blood vessels have valves to prevent the backflow of blood? (1) Arteries (2) Veins (3) Capillaries (4) All of the above
Fill in the blank: The __________ node acts as the natural pacemaker of the heart.
Fill in the blank: The __________ vein brings oxygen-poor blood from the lower body to the heart.
Fill in the blank: The exchange of gases and nutrients between blood and tissues occurs in the __________.
Fill in the blank: The heart is divided into __________ chambers.
True or False: Arteries carry blood away from the heart.
True or False: Capillaries connect arteries to veins.
True or False: Oxygenated blood is bright red in color.
True or False: The heart is made up of cardiac muscle tissue.
