• Question: When in a race and we see we know when to go, when dont we go straight away when our brains regocnise to go?

    Asked by shayes18 to Adam, Amylou, Mark L, Samantha on 11 Jun 2012.
    • Photo: Amy Evans

      Amy Evans answered on 11 Jun 2012:

      When you see that it is time to go this is because an electrical message has been sent from your eyes along your nerves to your brain. Your brain then has to send a new electrical message to the muscles in your body to enable you to move. Even though these messages travel really fast (some up to 100 metres per second) there is always a small delay because it does take some time for your brain to tell your muscles to contract or relax so you can move.