bones Flashcards
what is a bone
the hard solid organ that forms part of the skeleton
what are the 3 regions of bones
head, trunk, limbs
what are the 2 types of bones
spongy, compact
what are the 4 sizes of bones
flat bones, short bones, long bones and irregular bones
long bones
- long, think middle and rounded ends
- compact with bone marrow in the middle
- in limbs
short bones
- cubic in shape
- spongy, found in wrists and ankles
flat bones
- flat, curved and thin
- outer layer compact bone, inside the spongy bone
irregular bones
do not have a specific shape `
how do bones support us
the skeleton is rigid, allowing us to stand, sit also holds our organs in place
how do bones protect us
protect our vital organs
how do our bones allow us to move
act as a lever to allow us to move
what do bones store
calcium, phosphorus on the outside and can supply or store the blood with these minerals
what does bone marrow do
produces red blood cells, white blood cells and platelets
what are names of some of the bones in our body
madible clavicle sternum ribs vertebrae humerus femur
