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Grade 5 Science
Body Systems
3. Digestive System
Digestion Process, Mechanical and chemical breakdown
How Your Body Breaks Down Food: Mechanical and Chemical Digestion
You will discover how your digestive system uses physical force and powerful chemicals to turn every meal into nutrients your body can actually use.
What You'll Learn
You learn how mechanical digestion physically breaks food into pieces.
You discover how enzymes and acids perform chemical digestion processes.
You explore each digestive organ and its specific role in digestion.
You understand how villi absorb nutrients into your bloodstream efficiently.
What You'll Practice
1
You will identify differences between mechanical and chemical digestion types.
2
You will match enzymes like amylase and pepsin to their correct organs.
3
You will trace the correct order food travels through digestive organs.
Why This Matters
Understanding how digestion works helps you connect food choices to your body's energy, growth, and overall health in real and meaningful ways.
This Unit Includes
Practice exercises
Learning resources
Skills
Mechanical Digestion
Chemical Digestion
Enzymes
Peristalsis
Nutrient Absorption
