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Circulatory system | Respiratory system| Nervous system

Circulatory system

Heartfelt words

Ever heard the terms heart throb, heart attack, heart-to-heart? What are some other phrases that contain the word heart?

1. Open a Word doc and make a list of as many heart words you can think of.
2. Use Paint or use Word Art to illustrate these terms in an interesting way.

Pumping blood

The right side of your heart receives blood from the body and pumps it to the lungs. The left side of the heart does the exact opposite – it receives blood from the lungs and pumps it out to the body.

1. Look at this moving diagram showing the movement of blood to and from the heart.
2. Open this heart diagram (Word 47KB) and name as many parts of the heart as you can.
3. Print out your work and check your answers against the moving diagram in task 1.

Blue blood, red blood

1. Open this heart diagram (Word 62KB).
2. Use the Paint programme to color:
   • the veins and the right side (atrium) blue
   • the pulmonary arteries to the lungs blue
   • the left side (atrium) red and the pulmonary veins red.
3. Show the pathway of blood through the heart and lung by adding arrows to the diagram. (Insert/picture/autoshapes/arrow)

The heart as a pump

Sometimes it’s easier to understand how an organ works when you make a model of it.

• To make a moving model of your heart, follow these instructions.

Happy hearts

A happy heart is a fit heart.

• Print out these instructions (Word 29KB) and complete the exercises and maths to work out how fit you are.

Feeling the beat

A pulse is the feeling of your blood being pushed along your blood vessels by the heart.

1. Follow these instructions (Word 43KB) to find out your pulse rate.
2. Complete the activities and answers and print out your work.
3. Compare your work with a friend.

Respiratory system

Looking at your lungs

Your lungs make up one of the largest organs in your body, and they work with your respiratory system to allow you to take in fresh air, get rid of stale air, and even talk. Let's take a tour of the lungs!

• Look at this moving image of the lungs working.
• Learn the different names for the parts of the lungs by looking at this diagram.
• Print out this diagram and label as many parts as you can.

How much air can you hold?

Try this experiment with your friends.

You will need a new balloon for each of your friends, and a tape measure.

1. Blow up a balloon with one breath.
2. Measure the circumference of a balloon that you’ve blown up with the tape measure. (If you don’t have a tape measure, use string and then measure the amount of string used with a ruler).
3. Create a graph in Word or Excel to show everyone’s lung capacity.

Nervous system

Brains rule

Blow your mind and learn about the brain with these interactives.

• Neuron Explosion
• Neuron Navigator
• Brain Train

Sleep

Every person and animal needs it – but why?

• Read about why we need sleep.
• Play the Time for bed? Game.
• For one week, record how many hours sleep you get each night on this sleep graph (Excel 41KB).

Brain drain

How many words can use make out of the word brain?

1. Open this Word document (Word 89KB).
2. Write your words, illustrate them, and then print it out.

Brain maze

1. Open this Word document (Word 127KB) and find your way through the brain maze.
2. Print out your maze when you have successfully completed it.

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