Animal Circulatory System
Biology ⇒ Animal Biology
Animal Circulatory System starts at 9 and continues till grade 12.
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See sample questions for grade 9
A student measures their pulse and counts 72 beats in one minute. What is their heart rate in beats per minute?
Describe one way in which the circulatory system helps maintain homeostasis.
Describe the function of red blood cells.
Describe the main difference between the circulatory systems of fish and mammals.
Describe the path of blood flow through the human heart, starting from the right atrium.
Explain the difference between pulmonary and systemic circulation.
Explain why insects do not need blood vessels to transport oxygen.
Explain why the walls of the left ventricle are thicker than those of the right ventricle.
Name the largest artery in the human body.
What is the main difference between an open and a closed circulatory system?
What is the main function of the valves in the heart?
What is the main function of white blood cells?
Which blood vessel carries oxygenated blood from the lungs to the heart?
Which blood vessels carry blood towards the heart?
Which chamber of the human heart receives oxygenated blood from the lungs?
Which side of the human heart pumps blood to the lungs?
A patient has a blockage in the coronary arteries. Predict and explain the possible effects this could have on the heart and the body.
A person loses a significant amount of blood in an accident. Explain how the circulatory system responds to maintain blood pressure and supply oxygen to vital organs.
Compare the circulatory systems of amphibians and reptiles, focusing on the structure of their hearts and the efficiency of oxygen transport.
Describe the role of platelets in the circulatory system and explain what might happen if a person has too few platelets.
