Contents
Key Stage 1
Meaning
Blood is a red liquid found in some animals.
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| A drop of blood. |
Key Stage 2
Meaning
Blood is a red liquid that carries oxygen and nutrients to every part of the body.
About Blood
- Blood is pumped around the body by the heart.
- Blood goes around the body in blood vessels.
- The blood is transported around the body to give every organ oxygen and nutrients.
- Blood can be bright red or dark red.
Key Stage 3
Meaning
Blood is a fluidic tissue found in blood vessels that carries oxygen, nutrients and waste products for transport around the body.
About Blood
- Blood is pumped around the body by the heart.
- Blood goes around the body in blood vessels.
- The blood is transported around the body to give every organ oxygen and nutrients.
- Blood can be bright red or dark red.
- Blood is a tissue made from red and white blood cells and a fluid called plasma.
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| A picture showing red blood cells going through a blood vessel. |
Key Stage 4
Meaning
Blood is a fluidic tissue found in the Circulatory System that carries oxygen, nutrients, waste products and hormones for transport around the body.
About Blood
- Blood is a tissue made from red and white blood cells, platelets and a fluid called plasma.
- The different parts of blood can be separated by a centrifuge.
- Blood is pumped around the body by the heart.
- Blood goes around the body in blood vessels.
- The blood is transported around the body to give every organ oxygen and nutrients.
- Oxygenated blood is bright red and deoxygenated blood is dark red.
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| A diagram showing the percentages of the different parts that make up blood. |