What are living things made of?
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What are living things made of?. Cells are the building blocks of life – they come in all shapes and sizes. Some organisms are unicellular – they are made up of only one cell.

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What are living things made of?

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What are living things made of

What are living things made of?

Cells are the building blocks of life – they come in all shapes and sizes.

Some organisms are unicellular– they are made up of only one cell.

Other organisms are multicellular– they are made up of many types of cells. Can you think of some examples of unicellular and multicellular organisms?


What are living things made of

Special Types of Cells

A cell is specialized for its function.


What are living things made of

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How Does a Cell Resemble a City?


What are living things made of

The human body contains billions of cells....

Cells in different parts of the body are specialized which means they all perform different jobs.


What are living things made of

Red

Red Blood Cells Carry Oxygen

Red blood cells have a special dome shape to help them carry oxygen around our body.


What are living things made of

Nerve Cells Carry Impulses

Nerve cells are long, sleek, and contain dendrites which help them to send signals quickly.


What are living things made of

Sperm cells Fertilise eggs

They have a long tail to help them swim and their head contains the nucleus.


What are living things made of

Muscle Cells Move Joints

Contains fibres that help the cell contract.


What are living things made of

White Blood cells help Kill Bacteria

They contain chemicals called enzymes that kill and destroy bacteria.


What are living things made of

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Goblet Cells Secrete Mucus

The Goblet cells make mucus and it is used to protect other cells.


What are living things made of

Write the name of the cell and the description that matches in your notes.


What are living things made of

Many specialised cells together make up an organ.

Many organs together make up a system.


What are living things made of

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How Many body Systems can you think of?


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