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 12
A patient has a blockage in the coronary artery. Explain the likely effect on the heart.
Describe the difference between open and closed circulatory systems.
Describe the path of blood flow through the mammalian heart, starting from the vena cava.
Describe the role of lymph in the animal circulatory system.
Explain the difference between pulmonary and systemic circulation.
Explain the role of valves in the circulatory system.
Explain why arteries have thicker walls than veins.
A patient has a blockage in the coronary artery. Explain the likely effect on the heart.
Which chamber of the human heart receives deoxygenated blood from the body?
(1) Left atrium
(2) Right atrium
(3) Left ventricle
(4) Right ventricle
Which of the following animals has a closed circulatory system?
(1) Earthworm
(2) Grasshopper
(3) Hydra
(4) Sponge
Which of the following animals has a four-chambered heart?
(1) Fish
(2) Amphibian
(3) Reptile
(4) Bird
Which of the following animals has a single circulatory system?
(1) Fish
(2) Frog
(3) Bird
(4) Human
Fill in the blank: The contraction phase of the heart is called ________, and the relaxation phase is called ________.
Fill in the blank: The exchange of gases and nutrients between blood and tissues occurs in the ________.
Fill in the blank: The fluid portion of blood is called ________.
Fill in the blank: The heart is surrounded by a protective sac called the ________.
True or False: All arteries carry oxygenated blood.
True or False: All vertebrates have a closed circulatory system.
True or False: Capillaries are the smallest blood vessels in the body.
True or False: In mammals, the right side of the heart pumps oxygenated blood.
