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 10
A frog has a three-chambered heart. Explain how this affects the efficiency of oxygen transport compared to a mammal.
A student measures the heart rate of a rabbit at rest and after exercise. The heart rate increases after exercise. Explain why this happens.
Describe how oxygen and carbon dioxide are exchanged in the capillaries.
Describe the difference between an open and a closed circulatory system.
Describe the path of blood flow through the human heart, starting from the right atrium.
Explain the role of valves in the circulatory system.
Explain why insects can survive with an open circulatory system, while mammals require a closed circulatory system.
Explain why the circulatory system is important for maintaining homeostasis in animals.
Explain why the walls of the left ventricle are thicker than those of the right ventricle.
Name the blood vessel that carries blood away from the heart to the rest of the body.
What is the function of the septum in the human heart?
What is the main difference between the circulatory systems of fish and mammals?
What is the main function of platelets in the blood?
What is the main function of the circulatory system in animals?
