| Introduction |
The process of taking in or consuming food or other substances into the body |
The process of expelling undigested materials from the body |
| Purpose |
Facilitates the introduction of nutrients and other substances into the digestive system for processing |
Aims to remove waste materials or indigestible components that cannot be absorbed |
| Nature of material |
Ingestion involves the intake of various materials, including nutrients and non-nutrients |
Egestion involves the removal of indigestible materials, such as fiber, unabsorbed food particles and waste products |
| Frequency |
Occurs multiple times throughout the day as organisms consume food |
Typically occurs less frequently |
| Associated Organs |
· Mouth
· Teeth
· Associated structures |
· Rectum
· Anus |
