Question

The central tube of the artery is called the lumen. This central tube is:
• A. One cell
• OB Narrow
• C. Wide
• D. Thin
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Answer 1

Answer: B. Narrow

Explanation: I literally took the same test.

Answer 2

The lumen is narrow.

The function of the arteries in the human body is for the delivery of blood that are rich in oxygen from the heart to the body tissues.

The lumen is known as the inside space of the artery and it's a narrow opening.

In conclusion, the central tube called the lumen is narrow.

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