science+page+61

Angela Corrao Science page 61 questions 1-3 1. When the food reaches the stomach it continues the physical digestion of your mean by squeezing its contents with muscular contractions. While the stomach is squeezing, tiny glands in your stomach work together and produce enzymes and acid, which also work together to break food into nutrients. Your stomach acid kills most of the bacteria that you swallow with your food. After a few hours of combined physical and chemical action, any of your food can be reduced into a soupy mixture called chime. 2.  The roles of the  liver and the gallbladder are… Your liver makes a green liquid called bile that is used in fat digestions Your liver stores nutrients Your liver breaks down toxic substances in the blood Your liver makes cholesterol for cell membranes The roles of the pancreas are… The pancreas functions as a part of the endocrine system, making hormones that regulate blood sugar. “It makes pancreatic juice that flows into the small intestine. The juice contains digestive enzymes and bicarbonate that neutralizes the acid in chime. Without bicarbonate, acid would damage the lining in the intestine and prevents enzymes from doing their work.” 3. If your body cucouldn't make saliva, then your body couldnt' turn complex carbohydrates to simple sugars. The food wouldn't be liquidly going into your stomach, causing pain in the throatm and making digesting harder on your stomach.