Questions: 4. Which bone type reinforces tendons to protect them from wear? a. Flat bones b. Sesamoid bones c. Irregular bones d. Long bones

4. Which bone type reinforces tendons to protect them from wear?
a. Flat bones
b. Sesamoid bones
c. Irregular bones
d. Long bones
Transcript text: 4. Which bone type reinforces tendons to protect them from wear? a. Flat bones b. Sesamoid bones c. Irregular bones d. Long bones
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Solution

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The answer is the second one (b): Sesamoid bones.

Explanation for each option: a. Flat bones: These bones are typically thin, flattened, and somewhat curved. They provide protection and a broad surface for muscle attachment but do not reinforce tendons. b. Sesamoid bones: These are small, round bones embedded within tendons. They protect tendons from wear and tear by reducing friction and modifying pressure. The patella (kneecap) is a common example. c. Irregular bones: These bones have complex shapes that do not fit into other categories. They primarily provide protection and support but do not specifically reinforce tendons. d. Long bones: These bones are longer than they are wide and primarily function to support weight and facilitate movement. They do not reinforce tendons.

Summary: Sesamoid bones are the type of bones that reinforce tendons to protect them from wear.

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