The bones generally gives the human body its frame and protects the internal tissues.
Your bones protect your internal organs from injury.
Humans have many bones that don't protect internal organs like your finger bones (which are called phalanges and metacarpals)
to protect it
The small bones that protect the nerve cord are the vertebrae.
Breasts are external and therefore no bones protect them. The lungs are protected by the sternum and rib cage
sufficient calcium
yesYes
skull
blech
No bomes protect your skull but it is wrapped with muscles.
Skull bones protect your brain.
The maxillary bones, above, and the mandibular bones (jawbones), below.