The first to do so was Leonardo Da Vinci
Answer: The four common traits of all muscles are Excitability or Irritability, contractibility, extensibility, and elasticity. Muscle tone refers to the ability of muscles to be slightly contracted at all times, even when not in use.
Explanation:
Stiff muscles are related to low joint movement/flexibility. They respond slower than loose muscles.
It looks like you have to get your answers from whatever simulation you did
Answer: Steven's Regret
Explanation: Regret would be the behavior like oh wish could of done better than that and not stopped. That is what Steven is experiencing is feeling of regret
