Digestive System Notes
1. Introduction:
- The digestive system breaks down food into nutrients that the body can absorb and use for energy, growt
2. Main Organs:
- Mouth: Begins mechanical and chemical digestion.
- Esophagus: Transports food to the stomach.
- Stomach: Mixes food with digestive juices; begins protein digestion.
- Small Intestine: Main site of nutrient absorption.
- Large Intestine: Absorbs water and forms feces.
- Rectum and Anus: Store and eliminate waste.
3. Accessory Organs:
- Salivary Glands: Produce saliva to help break down food.
- Liver: Produces bile to digest fats.
- Gallbladder: Stores bile.
- Pancreas: Produces digestive enzymes and insulin.
4. Digestive Process:
- Ingestion: Taking in food.
- Digestion: Breaking down food (mechanical and chemical).
- Absorption: Nutrients absorbed into the blood.
- Elimination: Removal of indigestible substances.
5. Enzymes and Their Functions:
1. Introduction:
- The digestive system breaks down food into nutrients that the body can absorb and use for energy, growt
2. Main Organs:
- Mouth: Begins mechanical and chemical digestion.
- Esophagus: Transports food to the stomach.
- Stomach: Mixes food with digestive juices; begins protein digestion.
- Small Intestine: Main site of nutrient absorption.
- Large Intestine: Absorbs water and forms feces.
- Rectum and Anus: Store and eliminate waste.
3. Accessory Organs:
- Salivary Glands: Produce saliva to help break down food.
- Liver: Produces bile to digest fats.
- Gallbladder: Stores bile.
- Pancreas: Produces digestive enzymes and insulin.
4. Digestive Process:
- Ingestion: Taking in food.
- Digestion: Breaking down food (mechanical and chemical).
- Absorption: Nutrients absorbed into the blood.
- Elimination: Removal of indigestible substances.
5. Enzymes and Their Functions:
