17262496
Description
Mind Map by Marzia Azimi, updated more than 1 year ago
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Created by Marzia Azimi
over 5 years ago
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The Human Digestive System
- Oesophagus
- Is a long muscular tube that starts at the mouth and ends at the stomach
- Peristalsis
- Is the process of pushing food through the digestive track
- Is the process of pushing food through the digestive track
- Is a long muscular tube that starts at the mouth and ends at the stomach
- Mechanical digestion
- Food sliced,torn and crushed
- Physical change because no new substance added
- Food sliced,torn and crushed
- Chemical digestion
- Large complex substances are broken
down
- Food broken down into simpler chemicals by
saliva
- Food broken down into simpler chemicals by
saliva
- Saliva
- Watery liquid containing a chemical that begins the digestion of starch
- Watery liquid containing a chemical that begins the digestion of starch
- Large complex substances are broken
down
- Stomach
- Food stored
- Muscle walls contract and relax
- Mixed with gastric juice
- Containing Hydrochloric acid,mucus,digestive juices
- Containing Hydrochloric acid,mucus,digestive juices
- Mixed with gastric juice
- Muscle walls contract and relax
- Food stored
- Mouth/teeth
- Start of digestive system
- Teeth
- Premolar,molar,incisor,canine
- Premolar,molar,incisor,canine
- Teeth
- Start of digestive system
- Small intestine
- Longest section of the digestion track
- Diameter is 3 cm
- Diameter is 3 cm
- Duodenum
- First part of the small intestine
- Two tubes entering the duodenum carry chemicals
- Important digestion from the pancreas and liver
- Important digestion from the pancreas and liver
- Two tubes entering the duodenum carry chemicals
- First part of the small intestine
- Longest section of the digestion track
- Large intestine
- Final section of the digestion track
- 1.5 meters long
- 6-7cm in diameter
- Water and nutrients absorbed into the body from the food
- Water and nutrients absorbed into the body from the food
- 6-7cm in diameter
- Final section of the digestion track
- Liver
- Largest internal organ
- Performs over 500 chemical processes
- Performs over 500 chemical processes
- Largest internal organ
- Pancreas
- Produce pancreatic juice
- Containing chemicals that help digest fat,protein and carbohydrates
- Containing chemicals that help digest fat,protein and carbohydrates
- Produce pancreatic juice
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