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.
The uvula is part of the soft palate and is made of muscles and secretory organs. One anatomist has posted pictures showing how he can control his uvula as a party trick. Some nerve. Touching the uvula results in a gag reflex. I didn't test my own because I gag if anything pokes around near the back of my tongue. Some, however, suggest that massaging the uvula with a cotton swab can stop hiccups. Gatekeeper. One job of the uvula is to help things from getting into your nasal cavity.