11 Questions
What is the primary function of the thin wall of the heart?
Easy expansion to accommodate blood coming from the lungs
What is the primary function of the four pulmonary veins?
Bring back oxygen rich blood from the lungs back to the heart
What is the primary function of the mitral valve?
Prevent backflow of blood from the left ventricle into the left atrium
What are two prime functions of the left atrium?
Contracts to push blood through the mitral valve into the left ventricle
Which of the following statements about the pulmonary veins is true?
They have thinner walls and larger lumens compared to the arteries
Which of the following is a feature of the arteries?
All of the above
Which of the following is a feature of veins?
Have heavier, thicker walls and smaller lumens
What is the primary function of the semi-lunar valve?
Prevent backflow from pulmonary artery into right ventricle
Which of the following is not a component of the circulatory system?
Lymph nodes
What is the function of the pulmonary circulation?
Carry blood to and from the lungs
Which of the following is a component of the systemic circulation?
Delivers oxygen and nutrients to body tissues
This worksheet consists of 8 questions related to the human heart and its functions. Test your knowledge on topics such as thin wall function and pulmonary veins in this quick 5-minute practice session.
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