Question

jonas states four interesting facts about bones. which of jonas’s statements is incorrect?

○ some bones have holes through them.

○ bones are made mostly of sugars.

○ bones are made of layers.

○ bones can have different shapes.

Explanation:

• "Some bones have holes through them" is correct (e.g., for blood vessels/nerves).
• "Bones are made mostly of sugars" is incorrect. Bones are mainly made of collagen (a protein) and mineral salts like calcium phosphate, not sugars.
• "Bones are made of layers" is correct (e.g., compact bone has lamellae layers).
• "Bones can have different shapes" is correct (e.g., long, short, flat, irregular bones).

Answer:

B. Bones are made mostly of sugars.