Answer:
<u><em>The membrane potential is the basis for the conduction of nerve impulses along the cell membranes of neurons. Ions that are important in the formation of a nerve impulse include sodium (Na+) and potassium (K+). Ion channels and ion pumps are very specific; they allow only certain ions through the cell membrane.</em></u>
Explanation:
About 59% according to the article in Morbidity and Mortality Weekly Report
Answer: Swimming Pool and Personal Trainer
Explanation:
That just sounds really fun!