Total number of bones found in child

Here is a brief explanation of each option:

• Option A: 200 bones. This is incorrect because a newborn baby has 300 bones.
• Option B: 206 bones. This is the correct answer because a child has 206 bones by the time they are 20 years old.
• Option C: 300 bones. This is incorrect because a child has 206 bones by the time they are 20 years old.
• Option D: 306 bones. This is incorrect because a child has 206 bones by the time they are 20 years old.