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Questions and Answers
What is the primary function of the circulatory system?
What is the primary function of the circulatory system?
- Directing blood cells and substances to all tissues of the body (correct)
- Producing new blood cells
- Transporting oxygen to the lungs
- Regulating body temperature
Which of the following is NOT a structure of the circulatory system mentioned in the text?
Which of the following is NOT a structure of the circulatory system mentioned in the text?
- Lymphatic vascular system
- Veins
- Arteries
- Bronchi (correct)
Where is the heart located in the body?
Where is the heart located in the body?
- Behind the liver
- In the abdominal cavity
- In the middle mediastinum (correct)
- In the pelvic cavity
What percentage of blood is in systemic circulation when the heart is at rest?
What percentage of blood is in systemic circulation when the heart is at rest?
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What are the three major layers that make up the walls of all four heart chambers?
What are the three major layers that make up the walls of all four heart chambers?
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