Your muscules send messages to your brain through nervous system example when your injured
2000 calories a day soo..you welcome
Answer:
i think is 12 to 19 sorry if im not right
B. false
I think accidents can be prevented with proper precautions
All muscle cells share four main properties that distinguish them from other cells. These are Excitability, Contractility, Extensibility and Elasticity.
hope this helps!