You did not write the symbol for the positive ion asked in the question. Summaries are useful for briefly telling the material that was explained on the webpage. You should explain why electrons are shared in covalent bonding instead of transferred like in ionic bonding.
gag reflex is a reflex contraction of the back of the throat, evoked by touching the soft palate. It prevents something from entering the throat except as part of normal swallowing and helps prevent choking.Different people have different sensitivities to the gag reflex.kaylamarie Â· 5 years ago.ag reflex is a reflex contraction of the back of the throat, evoked by touching the soft palate. It prevents something from entering the throat except as part of normal swallowing and helps prevent choking.
A cranial reflex is one that is controlled by one of the cranial nerves and tend to take place in the facial or head area. These can include reflexes like the constriction of â¦ the pupils in response to light, etc. reflex is a quick involuntary action. There are five steps to a reflex: the stimulus occurs, the sensory neurons sense the stimulus, it sends a message to your spinal cord (â¦ it doesn't reach the brain right then), the spinal cord sends a message to your motor neurons, and the reflex occurs.