Endoskeleton
inner skeleton
how many bones does the adult human have?
206
ribs protect the what?
hearts and lungs
What is the longest bone in the body?
the femur
outer skeleton
why does cartilage cover the ends of bones
it keeps them from rubbing against each other.
muscles attached to what?
bones
the skull protects what?
your brain.
Movable joints, held together by strong connective tissues
how many bones do newborn babies have?
275
what is phosphorus used for?
energy
how many vertebrae is your back made up of?
26
What does red bone marrow do?
produces most of the body's blood cells
what is the longest bone in the body
femur
bone marrow makes what?
red blood cells
What are the two different types of joints?
Movable and immovable
What does marrow do?
stores fat that can serve as an energy reserve
Name all 5 Major functions
Support,Protection,Storage,Blood Production,Movement
the vertebrae protects what?
the spinal cord
what minerals do bones store?
calcium and phosphorus