Cambridge Primary (1-6). Stage 6. Science. Learner's Book - Unit 1: The human body

The parts inside your body are called organs. The body organs do different jobs to keep you alive and healthy. Discuss these questions with a partner. Be prepared to share your ideas with the class.

Which organ is found in the head?

The parts inside your body are called organs. The body organs do different jobs to keep you alive and healthy. Discuss these questions with a partner. Be prepared to share your ideas with the class.

Which organs are found in the chest?

The parts inside your body are called organs. The body organs do different jobs to keep you alive and healthy. Discuss these questions with a partner. Be prepared to share your ideas with the class.

Which organ pumps blood around the body?

The parts inside your body are called organs. The body organs do different jobs to keep you alive and healthy. Discuss these questions with a partner. Be prepared to share your ideas with the class.

Name two organs in the digestive system.

Put your hand on your chest. Can you feel your heart beating? Why does your heart beat?

Make a fist with your hand. That’s how big your heart is.

Why must the heart pump blood around the body?

Look at the inside of your wrist. Sometimes you can see the blood vessels through your skin.

What does the heart do?

The heart pumps blood around the body.

Why does it do this?

What is a heartbeat?

Why does the heart pump blood to the lungs before it pumps blood to the rest of the body?

Why do we need three different types of blood vessels?

Describe to your partner the pathway of blood around the body. Make a cycle diagram to show this pathway.

Work with a partner. Look at the drawings of the circulatory systems of different vertebrate animals, then discuss the questions.



Which parts of the animal circulatory systems are the same as the human circulatory system?

Work with a partner. Look at the drawings of the circulatory systems of different vertebrate animals, then discuss the questions.



How are the animal circulatory systems different to the human circulatory system? Explain this to a partner.

Measuring pulse rate

You will need: a watch or timer that can time seconds.

1 Find your pulse on your wrist or neck.
2 Count how many beats you feel in one minute. Repeat this three times.
3 Record the results in a table. Is the number of beats the same each time?
4 Compare your measurements with others in your class.

What is the difference between heartbeat and pulse?

Did everyone in your group have the same pulse rate? Why do you think this is?

Work out your average pulse rate from the measurements you made.

Which type of scientific enquiry did you use in the investigation?