Digestion ppt

Carbohydratesarethemajorsourceof

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Unformatted text preview: of mouth bacteria Tooth Anatomy Tooth Anatomy Enamel: hardest substance in the body Pulp Cavity: contains arteries, veins, andnerves. Alveolus: made of alveolar bone Root: made of dentin Gingiva: gum Periodontal membrane: periosteum found around the tooth Cementum: material that holds the tooth in the alveolus. INCISORS – chisel shaped for nipping food. CANINES – cone shaped for tearing PREMOLARS – MOLARS ­ grinding food 32 teeth in the Permanent Dentition 20 teeth in the Deciduous Dentition Identify the Following: Incisors Molar Premolars Canines The Digestive System The Digestive System Function: physically and chemically breakdown food products so that they can be absorbed and transported to cells. CARBOHYDRATES are the major source of biochemical energy. They include sugars and starches. These are eventually broken down into MONOSACCHARIDES (simple sugars) PROTEINS are broken down to amino acids. AMINO ACIDS are the chemical building blocks of proteins. Proteins are necessary parts of cell memb...
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