What do the following terms mean? From Mouth to Stomach Gr C: Illustrate and explain the function of teeth. Gr B: Analyse the swallowing reflex. Gr A: Incorporate peristalsis into the swallowing action. Starter What do the following terms mean? Ingestion Digestion Absorption Egestion Key Words (Parts of the tooth) Mastication Bolus Swallowing reflex Peristalsis

Please help yourself to some chewing gum and enjoy some mastication. Key Word Alert! Mastication Mastication is the first stage in digestions when food is broken down and crushed by teeth in the mouth. (Mastication  Chewing) Mastication Demo Please help yourself to some chewing gum and enjoy some mastication.

Name that Tooth! Learning Activity Try and match each description with the correct name of the tooth. These teeth are found at the front of your mouth and are used to cut your food, allowing you to take small bites. These teeth also grind at your food and are found right at the back of your mouth. These teeth are flat and large. They grind at your food making the food smaller and condensed. These teeth are used to grip your food whilst you bite into your food.

Learning Activity Note You will need to be able to label all of the parts of the tooth. Practice this in your own time at home! Learning Activity Using page 64 in your biology text, find and write down the function of each part of the tooth.

What do the following terms mean? From Mouth to Stomach Gr C: Illustrate and explain the function of teeth. Gr B: Analyse the swallowing reflex. Gr A: Incorporate peristalsis into the swallowing action. Starter What do the following terms mean? Ingestion Digestion Absorption Egestion Key Words (Parts of the tooth) Mastication Bolus Swallowing reflex Peristalsis

Please help yourself to some bread and form a bolus in your mouth. Key Word Alert! Bolus Mastication forms your food into a salivary ball. We call this ball a “bolus”. It is formed like this so that it is easier to swallow. Bolus Demo Please help yourself to some bread and form a bolus in your mouth.

“Controlled by the epiglottis” Teacher Explanation The Swallowing Reflex “Controlled by the epiglottis”

What do the following terms mean? From Mouth to Stomach Gr C: Illustrate and explain the function of teeth. Gr B: Analyse the swallowing reflex. Gr A: Incorporate peristalsis into the swallowing action. Starter What do the following terms mean? Ingestion Digestion Absorption Egestion Key Words (Parts of the tooth) Mastication Bolus Swallowing reflex Peristalsis

Key Word Alert! Peristalsis Peristalsis is the movement of food down the oesophagus by a wave of muscular contractions.

Learning Activity Complete as many of the following tasks as possible in 10 minutes. You should be aiming to create a story of how food enters the body and how it is transported to the stomach. Gr D: Describe what peristalsis is used for. Gr C: Explain how Peristalsis works. Gr B: Explain the swallowing reflex and then incorporate peristalsis as the next step in digestion. Gr A: Use the following terms- Epiglottis, Contract, Peristaltic wave.

What do the following terms mean? From Mouth to Stomach Gr C: Illustrate and explain the function of teeth. Gr B: Analyse the swallowing reflex. Gr A: Incorporate peristalsis into the swallowing action. Starter What do the following terms mean? Ingestion Digestion Absorption Egestion Key Words (Parts of the tooth) Mastication Bolus Swallowing reflex Peristalsis

Write questions for 3 of answers displayed below. Plenary Learning Activity “If this is the answer what is the question?” Write questions for 3 of answers displayed below. Peristalsis Mastication Bolus Muscular contractions Incisors Epiglotis Enamel Peristalsis Canine