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Questions and Answers
What is the main function of the circulatory system?
What is the main function of the circulatory system?
- To absorb nutrients from food
- To deliver oxygen to the body (correct)
- To regulate body temperature
- To remove waste products from the body
Which blood vessel takes blood away from the heart?
Which blood vessel takes blood away from the heart?
- Vena cava
- Artery (correct)
- Vein
- Aorta
What is the name of the largest blood vessel in the body?
What is the name of the largest blood vessel in the body?
- Superior vena cava
- Pulmonary artery
- Aorta (correct)
- Inferior vena cava
Which valve allows blood to fill the right atrium?
Which valve allows blood to fill the right atrium?
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Which vessel carries oxygen-rich blood from the lungs to the heart?
Which vessel carries oxygen-rich blood from the lungs to the heart?
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Study Notes
Circulatory System
- The circulatory system is responsible for delivering oxygen to the body to keep it functioning.
Blood Vessels
- Arteries transport blood away from the heart.
- The aorta is the largest blood vessel in the body.
Pulmonary System
- The pulmonary artery carries blood containing carbon dioxide.
- The pulmonary vein, on the other hand, carries blood containing oxygen.
Vena Cava
- The inferior vena cava is located in the lower part of the body.
- The superior vena cava is located in the upper part of the body.
Heart Valves
- The tricuspid valve allows blood to fill the right atrium.
- The bicuspid valve allows blood to fill the left atrium.
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