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Look at our Blood Circulation

In this worksheet, students will answer questions on different aspects of the body's circulation, including blood and blood vessels.

'Look at our Blood Circulation' worksheet

Key stage:  KS 2

Year:  Year 6 Science worksheets

Curriculum topic:   Animals, including Humans

Curriculum subtopic:   Human Circulatory System

Popular topics:   Biology worksheets, Biology old worksheets, Human Body worksheets

Difficulty level:  

Worksheet Overview

Blood! What's it for? If you cut yourself, you see this red stuff appear - but what is it and what does it do?


Cut finger


Well, briefly, our blood is our delivery system - it delivers things like food and oxygen all over the body.

It also collects wastes: things like carbon dioxide and nitrogen wastes that go to form urine.


The food and oxygen are pumped through our circulatory system by the heart. The heart is a very strong muscle that has to pump our blood about 100,000 times every day!




The circulatory system is a series of blood vessels, linked to the heart, that carry blood all over the body:


Arteries are big blood vessels that carry blood away from the heart, delivering things to the body.


Veins are big blood vessels that are on the return loop to the heart.


Blood vessels  Artery (top) and vein (bottom)


Capillaries are tiny blood vessels that deliver food and oxygen to our body cells, and collect the wastes from them to be disposed of.

The circulatory system is controlled by the pumping of the heart, which sends the blood around the body (you can feel it as a pulse at your wrist).


Oxygen is picked up from the lungs and food from the gut and these are delivered right around the body, to organs like the brain.

The wastes that our body generates are collected and sent, through the veins, to organs where they can be disposed of.

For example, carbon dioxide leaves through the lungs and urine through the kidneys.


Let's use this activity to help us get a grip on our understanding of our body's circulation - what the important bits are and how they work.


girl thinking

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