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Digestive System Learning Targets 6-10

Digestive System Learning Targets 6-10. Name the 2 structures that are involved in mechanical digestion. Name & state the functions of digestive enzymes for carbohydrates, proteins & fats. State the functions of glucose, fats & amino acids in the body.

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Digestive System Learning Targets 6-10

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  1. Digestive SystemLearning Targets 6-10 Name the 2 structures that are involved in mechanical digestion. Name & state the functions of digestive enzymes for carbohydrates, proteins & fats. State the functions of glucose, fats & amino acids in the body. Define the terms essential fatty acid, essential amino acid & vitamin. Describe the functions of major vitamins & minerals in the body.

  2. Name the 2 structures that are involved in mechanical digestion. • Mouth • Stomach • http://video.google.com/videoplay?docid=2770258302083245040#docid=-8459757275982651591 • http://video.google.com/videoplay?docid=2770258302083245040# • http://video.google.com/videoplay?docid=2770258302083245040#docid=5501527145575660749 • http://www.youtube.com/watch?v=Z7xKYNz9AS0

  3. http://www.youtube.com/watch?v=o18UycWRsaA&feature=related

  4. Name & state the functions of digestive enzymes for carbohydrates, proteins & fats. • Salivary amylase acts on starch to produce maltose • Pepsin in stomach’s gastric juices acts on proteinto form peptides • Pancreatic amylase digests starch • Trypsin & chymotrypsin digests protein • Lipase digests fats

  5. State the functions of glucose, fats & amino acids in the body. • Mitochondria use glucose to produce a constant supply of ATP for the cell • Essential fatty acids like Ω6 (linoleic acid) form plasma membranes • Essential amino acids are used to construct proteins such as enzymes to carry out metabolism, & body structures – hair, nails, DNA

  6. Define the terms essential fatty acid, essential amino acid & vitamin. • Essential refers to the fact that our body can’t make them so we must eat foods that contain them

  7. Describe the functions of major vitamins & minerals in the body. • Fat soluble (A,D,E,K) – specialized functions • A synthesis of visual pigments • D helps regulate calcium 7 phosphorus metabolism • E is an antioxidant • K required to form prothrombin (for blood clotting) • Water soluble (C, B complex) – catalysts to speed up specific reactions • Minerals – macronutrients & micronutrients – specific functions table 15.5 p 315

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