Bone Facts
Build a Bone
Oooh Scary skeleton
Which one?
teacher's choice
100

The number of bones in adult skeleton

206

100

type of bone cell that builds bone tissue

osteoblasts

100

Bones of the skull, vertebrae, and ribcage

Axial skeleton

100

3 kinds of bones that make up foot

tarsals, metatarsals, phalanges

100

Bones in older individuals become weaker - osteoblasts not as active

osteoporosis

200

Type of vertebrae that have transverse foramina and possible 2-pronged (bifurcated) spinous process

cervical

200

type of bone cell that breaks down bone

osteoclast

200

carpals and tarsals are this type of bone

short bones

200

1st cervical vertebrae

Atlas

200

hole at the base of the skull where spinal cord exits

foramen magnum

300

where 2 bones meet

articulation

300

blood vessels and nerves travel through this in bone tissue

Haversian canal

300

Vertebrae are this type of bone

irregular

300

Vertebrae that have facets for articulating with ribs - resemble a giraffe

thoracic

300

disorder of excessive curve in lower back - occurs normally during pregnancy

lordosis

400

hole through a bone

foramen

400

cell responsible for creating other bone cells

osteogenic cell

400

skull bone at the temple and containing the sella turcica, where the pituitary gland sits

sphenoid

400

Part of the coxa (pelvis) that you sit on

ischium

400

in embryo, flat bones of the skull form by this process

intramembranous ossification

500

air-filled space in a bone

sinus

500

area of growth at the end of long bone

epiphyseal plate

500

forms the top of the nasal cavity

ethmoid bone

500

bone that supports the tongue and is held in place by muscles & ligaments

hyoid bone

500

type of fracture caused by twisting 

spiral fracture