Saturday
April 18, 2015

Homework Help: 7th grade science

Posted by mary on Sunday, January 24, 2010 at 10:28am.

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)

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