'(<a href="http://www.j-archive.com/media/2011-07-21_J_09.wmv">Kelly of the Clue Crew demonstrates with a knife.</a>) The paper clip moves because no matter how hard you try, you can't hold completely still because the cells of this type of tissue are always in alternating states of contraction & relaxation'
muscle tissue
THE HUMAN BODY: The paper clip moves because no matter how hard you try, you cant hold completely still because the cells of this type of tissue are always in alternating states of contraction & relaxation
The paper clip moves because no matter how hard you try, you can't hold completely still because the cells of this type of tissue are always in alternating states of contraction & relaxation
The paper clip moves because no matter how hard you try, you can't hold completely still because the cells of this type of tissue are always in alternating states of contraction & relaxation
THE HUMAN BODY
muscle tissue
THE HUMAN BODY