D would make the most money, but it's up to you! :)
Insulin is a chemical that is produced by the pancreas and controls blood sugar.
Hope this helps!
The long-term effects of damage to your lungs (possibly lung cancer) and the possibility of giving those around you second-hand smoke.
Hey!
That scan is known as the CT scan, (<span>computerized axial tomography.)
Hope this helps!</span>
