Use the key to identify each tooth area described below. Key: a. cement 1. visible portion of the tooth in situ b. crown 2. material covering the tooth root c. dentin 3. hardest substance in the body d. enamel 4. attaches the tooth to the tooth socket e. gingival sulcus 5. portion of the tooth embedded in bone E odontoblast 6. forms the major portion of tooth structure; similar to bone 9. perodontal ligament 7. produces the dentin h. pulp 8. site of blood vessels, nerves, and lymphatics i, root 9. narrow gap between the crown and the gum the number of permanent teeth is In the human, the number of deciduous teeth is 2,1,2,3 x 2 The dental formula for permanent teeth is 2.1,2,3 Explain what this means.. deciduous teeth) What is the dental formula for the deciduous teeth? 3. Which teeth are the "wisdom teeth"7. 4. Various types of glands form a part of the alimentary canal wall or duct their secretions into it. Match the glands listed in column B with the function/locations described in column A. Column A Column B 1. produce(s) mucus; found in the submucosa of the small intestine a. duodenal glands 2. produce(s) a product containing amylase that begins starch breakdown in the mouth b. gastric glands c. intestinal crypts 3. produce(s) many enzymes and an alkaline fluid that is secreted into the duodenum d. liver 4. produce(s) bile that it secretes into the duodenum via the bile duct pancreas e. 5. produce(s) HCI and pepsinogen f. salivary glands 6. found in the mucosa of the small intestine; produce(s) intestinal juice Which of the salivary glands produces a secretion that is mainly serous? What is the role of the gallbladder?