1.has a diaphysis or the shaft, epiphysis the ends that contain the growth plate
2.largest and strongest
3.work as levers to move body.
4.contain both red and yellow bone marrow, more red in children and gets more yellow as we get older.
5.where bone growth takes place
6.femur is the largest long bone, humerus, radius, ulna, feet, and hands but not ankles or wrist.
YELLOW BONE MARROW:1. composed mostly of fat adipose cells. 2. is found in the medullary canal of long bone 3. found in adult bones
RED BONE MARROW 1. found primarily in flat bones, but also a small amount in the epiphysis of long bones.2. responsible for hemopotesis (rbc production).3. found in childs bone.
2.increase joint strength and mobility
3.these are metacarpals,metatarsals, and phylanges
1.contains most of the red bone marrow
2.contain no yellow marrow
3.the crainium, sternum, ribs, shoulder blades (scapula), hips
2.all other bones
3.examples are vertebrae, facial bones, auditory ossicles(bones that make up middle ear)