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 cough reflex is initiated with the sensory receptors detect these substances and initiate action potentials that pass along the vagus nerves to the medulla oblongata, where the cough reflex is triggered.he cough reflex is initiated with the sensory receptors detect these substances and initiate action potentials that pass along the vagus nerves to the medulla oblongata, where the cough reflex is triggered.