OrganisationDiagram

Structure of the Human Digestive System

Part of The Human Digestive SystemGCSE Biology

This diagram covers Structure of the Human Digestive System within The Human Digestive System for GCSE Biology. Structure and function of digestive organs, mechanical and chemical digestion, enzymes, absorption, and practical investigations It is section 3 of 15 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 3 of 15

Practice

19 questions

Recall

24 flashcards

Structure of the Human Digestive System

Mouth Salivary Glands Oesophagus Stomach Liver Gall Bladder Pancreas Small Intestine Large Intestine Rectum/Anus Direction of Food Flow

The digestive system as an organ system: This diagram shows how multiple organs work together as a coordinated system - exactly what we learned about in our study of organization levels. Each organ has a specific structure perfectly adapted to its function.

Keep building this topic

Read this section alongside the surrounding pages in The Human Digestive System. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for The Human Digestive System

Which organ produces hydrochloric acid to kill bacteria in food?

  • A. Liver
  • B. Stomach
  • C. Small intestine
  • D. Pancreas
1 markfoundation

Explain the role of bile in the digestive system.

3 marksstandard

Quick Recall Flashcards

What are villi?
Villi are tiny finger-like projections on the wall of the small intestine that greatly increase the surface area for absorption of nutrients.
What is peristalsis?
Peristalsis is the wave-like contractions of smooth muscle that push food through the digestive system. Circular muscles contract behind food while longitudinal muscles relax in front.

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