bones in arm
1 in each upper arm
Humerus
7 bones (ankle)
Tarsals
spherical structure that surrounds and protects the brain
Cranium
2 bones which join with the sacrum on the dorsal part of the body
Os coxae
areas where 2 or more bones join together
Joints
5 in palm of hand
Metacarpals
5 in instep of foot
Metatarsals
allows enlargement of the skull as brain growth occurs
Fontanels
1 slender smaller bone in each leg that attaches the the end of the tibia
Fibula
found in certain bones such as the vertebrae, ribs, sternum, and cranium
Red marrow
8 bones in wrist
Carpals
1 bone (kneecap)
Patella
air spaces in bones in the skull that act as resonating chambers for the voice
Sinuses
12 pairs. Attach to thoracic vertebrae on the dorsal surface of the body
Ribs
forms the extremities and is composed of the shoulder girdle, arm bones, pelvic girdle and leg bones
Appendicular skeleton
3 on each finger and 3 in thumb
Phalanges
long bone
Diaphysis
areas where the cranial bones have joined together
Sutures
1 larger bone of lower arm with a olecranon
Ulna
contains the cells that form white blood cells
Yellow marrow
1 on lower arm on thumb side that rotates around the ulna to allow the hand to turn freely
Radius
1 in each leg
Femur
made of organs called bones. 206 bones in body
Skeletal system
26 bones. Protect the spinal cord and provide support to the head
Vertebrae
openings in bones that allow nerves and blood vessels to enter or leave the bone
Foramina