Science The Human Bodyusually ages 7–9

Cells, Tissues & Organs

Understand that the body is organised in a hierarchy: tiny cells are the building blocks, groups of similar cells form tissues, tissues combine into organs (like the heart or stomach), and organs work together in organ systems (like the circulatory system)

How to tell they’ve got it

Tick these off as you see them — no test required.

State that cells are the smallest building blocks of the body, too small to see without a microscope
Describe the hierarchy: cells → tissues → organs → organ systems
Give an example: muscle cells form muscle tissue, which forms the heart organ, which is part of the circulatory system

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Try this together

Can your child explain that the body is made of tiny cells, and that cells group together to make tissues, which make organs, which make whole systems?

Where this sits on the map

Stuck here? Check the skills it builds on first. Confident? Here’s what it unlocks.

Builds on

How Breathing Worksages 5–7Cells-to-systems hierarchy helps organise knowledge of lungs as organs in a system

The Brain Controls the Bodyages 5–7Cells-to-systems hierarchy helps organise knowledge of brain as an organ in a system

The Heart & Bloodages 5–7Cells-to-systems hierarchy helps organise knowledge of heart as an organ in a system

Cells, Tissues & Organsthis skill · ages 7–9

Unlocks

Heart & Blood Circulationages 9–11Understanding 4-chamber heart requires knowing organs work within organ systems

How the Lungs Workages 9–11Understanding alveoli and gas exchange requires knowing the cells-to-systems hierarchy

The Immune Systemages 9–11Understanding immune system requires knowing about cells and how they form systems

Structures for Survivalages 9–10Understanding the cells → tissues → organs → systems hierarchy enriches the ability to argue about internal structures supporting survival

solid = must come firstdashed = helps

Curriculum alignment

Candidate matches to official curriculum codes — machine-suggested, unreviewed (v0.1).

This skill sits outside the F–6 Australian Curriculum — no candidate code matched (v0.1). No NSW K–6 outcome code matched (v0.1). No Victorian Curriculum 2.0 code matched (v0.1).

Nearby on the map

Balanced Diet & Food Groupsages 7–9 How Muscles Move Bonesages 7–9 How the Eye Worksages 7–9 Naming Major Bonesages 7–9

All The Human Body skills →