1) Food is broken down by chewing and mixed with saliva, which contains enzymes that start the digestion of carbohydrates. a) Mouth b) Esophagus c) Stomach d) Small Intestine e) Liver f) Pancreas 2) A muscular tube that moves food from the mouth to the stomach through a process called peristalsis (muscle contractions). a) Mouth b) Esophagus c) Stomach d) Small Intestine e) Liver f) Pancreas 3) The majority of digestion and nutrient absorption happens here. Enzymes from the pancreas and bile from the liver break down food, and tiny finger-like structures called villi absorb nutrients into the bloodstream. a) Mouth b) Esophagus c) Stomach d) Small Intestine e) Liver f) Pancreas 4) It uses stomach acids and enzymes to further break down food into a liquid called chyme. The stomach also helps kill harmful bacteria. a) Mouth b) Esophagus c) Stomach d) Small Intestine e) Liver f) Pancreas 5) Produces bile, which helps break down fats. It also processes nutrients absorbed from the small intestine. a) Mouth b) Esophagus c) Stomach d) Small Intestine e) Liver f) Pancreas 6) Produces digestive enzymes that help break down proteins, fats, and carbohydrates in the small intestine. a) Mouth b) Esophagus c) Stomach d) Small Intestine e) Liver f) Pancreas 7) Stores solid waste until it’s ready to be expelled through this. a) Large Intestines b) Rectum and Anus c) Pancreas d) Stomach e) Esophagus f) Liver 8) Absorbs water and minerals from the leftover food, turning it into solid waste. It also houses bacteria that help digest some materials. a) Large Intestines b) Rectum and Anus c) Pancreas d) Stomach e) Esophagus f) Liver 9) Produces digestive enzymes that help break down proteins, fats, and carbohydrates in the small intestine. a) Large Intestines b) Rectum and Anus c) Pancreas d) Stomach e) Esophagus f) Liver 10) It uses stomach acids and enzymes to further break down food into a liquid called chyme. The stomach also helps kill harmful bacteria. a) Large Intestines b) Rectum and Anus c) Pancreas d) Stomach e) Esophagus f) Liver 11) Produces bile, which helps break down fats. It also processes nutrients absorbed from the small intestine. a) Large Intestines b) Rectum and Anus c) Pancreas d) Stomach e) Esophagus f) Liver 12) A muscular tube that moves food from the mouth to the stomach through a process called peristalsis (muscle contractions). a) Large Intestines b) Rectum and Anus c) Pancreas d) Stomach e) Esophagus f) Liver

parts and functions of digestive system for 8th grade

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