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Digestive System 2

Stack #170097

QuestionAnswer
The gastrointestinal tract that includes the mouth, pharynx, esophagus, stomach, small intestine and large intestine The alimentary canal
The innermost layer of the alimentary canal wall that produces muscus to lubricate and protect the canal. Mucosa
The layer of the alimentary canal wall containing blood vessels for carrying away absorbed nutrients and nerve endings that stimulate muscle fibers. Submucosa
The layer of the alimentary canal wall that produces muscle contractions to move food along the canal. Muscular Layer
The outermost layer in the wall of the alimentary canal. It attaches to connective tissue that holds the digestive organs in position. Serous Layer
The wave-like contractions that move food through the digestive tract from the esophagus to the rectum. Peristalsis
The four main functions of the digestive system. Ingestion; Digestion; Absorption; Egestion
Salivary glands produce an enzyme that begins the chemical breakdown of what food? The breakdown of carbohydrates into sugar
What is mastication? Chewing of food
What are the four types of teeth and what is their function? Incisors - biting; Cuspids - tearing; Premolars - crushing and grinding; Molors - crushing and grinding
The region of the tooth that extends above the gum. The crown
The region of the tooth anchored in a socket in the bony ridge of the jaw. The root
The region of the tooth at the gum line. The neck
The layer that forms most of the tooth structure. Dentin
This is the hardest material in our body and covers the dentin at the crown of the tooth. Enamel
This material covers the dentin in the root region of the tooth. Cementum
The innermost layer of the tooth that contains blood vessels, lymph vessels and nerves. The Pulp Cavity
Created by: Marjorie
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