we think it is air but not for sure
Bones classified into four groups. Long bones,Short bones,Flat bones, and Irregular bones
Tarsals and carpals are short bones. Metacarpals, metatarsals and phalanges are long bones.
Carpals, the wrist bones, are flat.
The body consists of long bones, flat bones, irregular bones, short bones and sesmoid bones. The short bones include bones in the wrist and foot.
Flat bones, Short bones,Long bones, irregular bones and sesmoid bones
The ribs.
The four main types of bones are long bones (e.g. femur), short bones (e.g. carpals), flat bones (e.g. sternum), and irregular bones (e.g. vertebrae). Each type serves a specific function in the body's musculoskeletal system.
Short flat bones contain a layer of spongy bone in the middle, known as diploe. Diploe is filled with red bone marrow, which produces blood cells, and helps keep the bone light while maintaining strength and support.
I'm not sure if this is what you are looking for, but.. There are "irregular bones", "flat bones", "long bones", and "short bones".
short bones, probably. They aren't long bones. They arent irregular or flat either.
flat bones long bones short bones and irregal bones
There are often sesamoid bones at the interphalangeal joints resembling the petella in the knee