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 11
Describe the difference between an open and a closed circulatory system.
Describe the path of blood flow through the mammalian heart, starting from the vena cava.
Describe the role of the hepatic portal vein in the circulatory system.
Describe the role of valves in the circulatory system.
Explain how the structure of capillaries facilitates their function.
Explain why amphibians have a three-chambered heart and how it affects their circulation.
Explain why fish have a single circulatory system while mammals have a double circulatory system.
Explain why some animals, such as insects, can survive with an open circulatory system.
Explain why the walls of the left ventricle are thicker than those of the right ventricle.
Name the blood vessel that carries blood from the heart to the lungs.
Name the pigment in red blood cells that binds to oxygen.
State one advantage of a double circulatory system over a single circulatory system.
What is the main difference between pulmonary and systemic circulation?
What is the main function of platelets in the blood?
What is the main function of white blood cells?
A patient is diagnosed with a defect in the semilunar valves of the heart. Explain how this defect could affect blood flow and overall circulatory efficiency.
A researcher measures the heart rate and stroke volume of a mammal and finds the heart rate is 80 beats per minute and the stroke volume is 70 mL. Calculate the cardiac output in liters per minute.
Compare and contrast the circulatory systems of annelids and arthropods, focusing on the structure of their hearts and the movement of blood or hemolymph.
Describe how the Bohr effect facilitates oxygen delivery to actively respiring tissues in animals.
Describe the role of the pericardium in the functioning of the vertebrate heart.
