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Questions and Answers
Which chamber of the heart is responsible for pumping oxygen-rich blood into the systemic circulation?
Which chamber of the heart is responsible for pumping oxygen-rich blood into the systemic circulation?
- Left atrium
- Right atrium
- Left ventricle (correct)
- Right ventricle
What is the main function of the systemic circulation?
What is the main function of the systemic circulation?
- Facilitating the exchange of oxygen in the lungs
- Pumping deoxygenated blood to the body's tissues
- Removing carbon dioxide and waste products
- Delivering oxygen and nutrients to the body's cells (correct)
Which blood vessels carry oxygenated blood away from the heart?
Which blood vessels carry oxygenated blood away from the heart?
- Arteries (correct)
- Arterioles
- Veins
- Capillaries
Where does the exchange of oxygen, nutrients, and waste products occur between the bloodstream and individual cells in the body's tissues?
Where does the exchange of oxygen, nutrients, and waste products occur between the bloodstream and individual cells in the body's tissues?
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What happens to deoxygenated blood and waste products collected by veins?
What happens to deoxygenated blood and waste products collected by veins?
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Study Notes
Heart Function and Circulatory System
- The left ventricle pumps oxygen-rich blood into the systemic circulation.
- Systemic circulation delivers oxygen and nutrients to tissues, allowing for cellular respiration and metabolism.
- Arteries, specifically the aorta, carry oxygenated blood away from the heart to the body's organs and tissues.
Capillary Exchange
- The exchange of oxygen, nutrients, and waste products occurs in capillaries, the smallest blood vessels that connect arteries and veins.
- Capillaries facilitate the transfer of substances between the bloodstream and individual cells through their thin walls.
Deoxygenated Blood Management
- Deoxygenated blood, along with waste products, is collected by veins and transported back to the heart.
- Once at the heart, deoxygenated blood is sent to the lungs for oxygenation in the pulmonary circulation.
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