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What is the primary role of capillaries in the circulatory system?
What is the primary role of capillaries in the circulatory system?
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Practice Questions
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Q1
What is the primary role of capillaries in the circulatory system?
To transport blood
To exchange nutrients and waste
To store blood
To regulate blood flow
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Capillaries are the sites of exchange where nutrients and waste products are exchanged between blood and tissues.
Questions & Step-by-step Solutions
1 item
Q
Q: What is the primary role of capillaries in the circulatory system?
Solution:
Capillaries are the sites of exchange where nutrients and waste products are exchanged between blood and tissues.
Steps: 7
Show Steps
Step 1: Understand that the circulatory system is responsible for moving blood throughout the body.
Step 2: Know that blood carries important substances like oxygen and nutrients.
Step 3: Learn that capillaries are tiny blood vessels that connect arteries and veins.
Step 4: Recognize that capillaries are very thin, allowing substances to pass through easily.
Step 5: Realize that in capillaries, oxygen and nutrients from the blood move into the tissues.
Step 6: Understand that waste products from the tissues, like carbon dioxide, move into the blood in the capillaries.
Step 7: Conclude that the primary role of capillaries is to facilitate the exchange of nutrients and waste between blood and tissues.
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