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.
mouth gag (1) see drinkwater mouth gag, haussman gag, spring gag, varnell gag, probang. gag (2) reflex. elevation of the soft palate and retching elicited by touching the back of the tongue or the wall of the pharynx; called also pharyngeal reflex.