Levels of Organisation โ€” Cell โ†’ Tissue โ†’ Organ โ†’ System

Part of Tissues, Organs and Organ Systems ยท Section 2 of 15

DiagramUnit: OrganisationGCSE
Painted progression showing the four levels of biological organisation as increasing-scale vignettes: a single muscle cell, then muscle tissue (many cells together), then a whole heart organ, then the cardiovascular organ system within a human torso. Each scale level is shown in a circular painted vignette connected by sepia flow arrows.

Figure 1: Levels of biological organisation โ€” cells form tissues, tissues form organs, organs form systems.

This diagram covers Levels of Organisation โ€” Cell โ†’ Tissue โ†’ Organ โ†’ System within Tissues, Organs and Organ Systems for GCSE Biology. Organizational hierarchy from cells to organ systems, tissue types in plants and animals, structure-function relationships, and system interactions It is section 2 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.

Practice questions for Tissues, Organs and Organ Systems

What is the correct order of biological organisation from simplest to most complex?

  • A. Organ โ†’ Tissue โ†’ Cell โ†’ Organ System
  • B. Tissue โ†’ Cell โ†’ Organ โ†’ Organ System
  • C. Cell โ†’ Tissue โ†’ Organ โ†’ Organ System
  • D. Cell โ†’ Organ โ†’ Tissue โ†’ Organ System
1 markfoundation

Describe the functions of glandular tissue and epithelial tissue in animals.

3 marksstandard

Quick recall flashcards

What is an organ?
A group of different tissues working together to perform a specific function.
What is a tissue?
A group of similar cells that work together to perform a specific function.

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Animal Organization Examples

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