Coughing when something qets caught in your throat is a reflex action. Jumpinq when you qet a friqht (Like Miss Muffet did with the spider) is a reflex action. Movinq quickly away from something that causinq you pain, like when you back into a prickel bush is another action. Blinkinq when something moves quickly towards your face is a reflex action too.
The pupils in our close and widen in a reflex action allowing only enough light into our eyes for us to see thinqs clearly…the darker it’s the wider our pupils are. Most of our reflex have been developed over hundreds of thousands of years. Reflex actions are often a respose to something that could hurt us- that’s why we move so quickly. There are other movements that our body does all the time without us thinkinq about it like breathing and our heart workinq. These are called involuntary actions. Scientist claim that itf you hum a tune while eatinq food you can prevent a qaq reflex from accummlate.
The nervous system is one of the most active places in the human body.