What is the mane artery in our body?

Why does loss of the myelin sheath around axons impair the ability to conduct electrical signals as seen in victims of multiple sclerosis? What is the difference between nerve and neuron? What are the ribs posterior y? What is the blood vessel which carries from intestine to the liver? What disease causes you hair to fall out? What is cecum and a rectum? What is the process when radioactive elements can be used to destroy unhealthy cells like cancer cells? When you blow your nose you get a large lump of green solid mucus? What is a dento-alveolar fracture? What does your liver clean? Is lomotil safefor pregnant women to take? Are people with multiply personality disorder born with it? What three structures filters air as it enters through the lungs? How long is the process usually for braces? Which of your tobacco using friends actions would inflence you against tobacco? Controlling tone is mostly an issue when you have to? How long will it take to get rid of the tape worms after medication? Is it normal to weigh 97 pounds and donate a pint of blood? Do people go crazy with malaria? Why cancer more often in the right lung?