Science_Reviewer

DIGESTIVE SYSTEM

  • Phases of Digestion:

    1. Ingestion
    2. Movement
    3. Mechanical and Chemical Digestion
    4. Absorption
    5. Elimination

  • Types of Digestion:

    • Mechanical: Physical breakdown (chewing, grinding)
    • Chemical: Enzymatic breakdown of nutrients (e.g., carbohydrates, proteins, lipids)

  • Major Salivary Glands:

    • Parotid, Submandibular, Sublingual
    • Functions: Aid chewing, swallowing, taste, and start starch digestion.

  • Key Enzymes in Digestion