Rocking horse (the others use smaller muscles of the hands), larger muscles like the leg are used to rock.
I can’t see the whole question but would love to help :)
Explanation:
Proteins are responsible for nearly every task of cellular life, Including cell shape and inner organization, product manufacture and waste cleanup, and routine maintenance. Proteins are also receive signals from outside the cell and mobilize Intracellular response.
Different rock layers should be a correct answer. Hope this helps!
