Human Skeleton Vocabulary

What we verified before publishing

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The following claims were verified through Perplexity Sonar before the questions were finalised. The host can reference any of them during play:

• The primary functions of the human skeleton are support, protection, and motion.
• Bones are tissues made of groups of cells that work together to form the skeleton.
• The outer surface of a bone is called the periosteum, a thin dense membrane containing nerves and blood vessels.
• Compact bone is the dense, hard outer layer of bone that is visible when looking at a skeleton.
• Cancellous bone is the spongy, hole-filled inner layer of bone located beneath the compact bone.
• Bone marrow fills the holes in cancellous bone and produces blood cells.
• Bones are made mostly of the protein collagen and the mineral calcium phosphate.
• Adults typically have 206 bones, while babies are born with about 300 bones that fuse together during growth.
• The spine consists of 33 vertebrae that are divided into cervical, thoracic, lumbar, sacrum, and coccyx regions.
• The smallest bones in the human body are the malleus, incus, and stapes, collectively known as the ossicles.
• The ossicles transmit sound vibrations from the air to the fluid in the inner ear.
• The thigh bone (femur) is the longest and strongest bone in the human skeleton.