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Lesson: Digestive System
All living things are made up of cells.Food has to be broken down before it is transported to every cell.
Our digestive system breaks down food and absorbs it so it can be transported around our bodies.
Parts of our digestive systemmouth oesophagus liver stomach pancreas large intestine small intestine
Parts of our digestive systemmouth where food is chewed and mixed with saliva
Parts of our digestive systemoesophagus the tube that carries food to the stomach
Parts of our digestive systemstomach stores food and mixes it with digestive juices
Parts of our digestive systemsmall intestine the tube where broken down food is absorbed into the blood
Parts of our digestive systemlarge intestine passes water back into the blood leaving solid waste
Parts of our digestive systempancreas makes digestive enzymes
Parts of our digestive systemliver makes bile which helps to break down fats
What is the function of each part?mouth oesophagus liver stomach pancreas large intestine small intestine
Nutrition involves 5 stages.Ingestion Digestion Absorption Assimilation Egestion
Teeth break down food into smaller pieces (physical digestion)
There are four types of teeth.Upper or maxillary teeth Lower or mandibular teeth Incisors Canines Premolars Molars
Molars Premolars Incisors Canines
Teeth Incisors Canines Premolars Molars
Teeth Incisors – cut food Canines – tear food Premolars – grind food Molars – grind food
Review Questions: Label each part. E A F B C G D
Question to think aboutEnzymes are involved in chemical digestion. What do you think this means? Enzymes act here!
We need to digest our food Our body needs to break down our food into simpler substances. Is made up of the following organs.
Why do we need food?.
By: Katherine Pease 7th Grade Science
HUMAN Digestive system
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Copyright of for more videos,visit us. Full of ingredients to make your child a genius. “Don’t make me read,
A B C Softens and moistens food, saliva begins breaking down starchy foods into sugar. Mouth smooth muscular tube through which.
A. Digestion Process of breaking down food into smaller parts B. Mechanical/Physical Digestion Examples: Chewing/Crushing/Tearing food C. Chemical.
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The mouth performs two functions: 1
1 Human Biology Digestive System Ch True or False 1. Your mouth digests sugar only. 2. Your large intestine is involved in digestion of fat. 3.
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