The harmful affects of tobacco are your body will have bad effects such as black lungs, smokers cough, your teeth can decay and you can even die due to tobacco. It messes you up mentally making you thing that you need tobacco all the time and making you addicted to tobacco. When the use of tobacco you could loss some good friends that you have and end up in the wrong group that you should not be in. Legal consequences to tobacco can be you getting a ticket for being caught with it but if you get caught selling to anyone under the ages of 21 you can get charges pressed against you and can end up with jail time! Hope this helps.
High levels of cholesterol in your blood can increase the risk of formation of plaques and atherosclerosis. Diabetes. Diabetes increases your risk of heart disease. Both conditions share similar risk factors, such as obesity and high blood pressure.
Mechanical digestion involves physically breaking down food substances into smaller particles to more efficiently undergo chemical digestion. The role of chemical digestion is to further degrade the molecular structure of the ingested compounds by digestive enzymes into a form that is absorbable into the bloodstream.