When researchers create lesions, they are destroying a piece of the brain.
The correct answer for this question is "Epiglottis". The Epiglottis is responsible for cutting off the passage way to the airway while swallowing/eating food to prevent the food from being inhaled by the body.The Epiglottis has a leaf-like shape structure with a cartilage that covers the passage way into the air ways of the body.
I think its D. Mitosis is the division of a parent cell, producing 2 identical daughter cells whereas meiosis is the division of 2 germ cells, producing 4 non-identical gametes.