7th grade science
posted by mary .
1) what makes bones hard?
2) what is the hard,strong layer of bone called?
3) what is the smooth flexable layer of tissue covering the ends of bones?
4) what kind of joints are found in the skull and pelvis?
5) what type of muscles make up the majority of muscles in your body?
(no websites only answers)
Since this is not my area of expertise, I searched Google under the key words "bones structure and function" to get this:
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
I hope this helps.