NATURAL SCIENCE - UNIT 2 - HUMAN BODY SYSTEMS

ESSENTIAL KNOWLEDGE

• To know how the body systems work and the organs that take part of the processes.

• The health of the body systems to prevent diseases.

• Pollution and danger in the air. Harmful things for our body.

• Project: prepare a leaflet about how can we look after our body systems?

THE CIRCULATORY SYSTEM 

• Main job:  To transport blood, which carries oxygen and nutrients, throughout the body. It also removes waste.

• Key Vocabulary: 

  

    - Heart:It pumps blood around the body through the blood vessels (tubes).

    - Blood vessels: A series of tubes that move the blood inside your body. There are three types: 

    Arteries: Carry blood away from the heart.

    Veins: Carry blood back to the heart.

    Capillaries: The tiniest blood vessels (tubes) that connect small arteries and veins.

 

    - Blood: The liquid that carries everything. It has:

    Red Blood Cells: Carry oxygen.

    White Blood Cells: Fight germs.   

    Platelets: Help stop bleeding.

               

THE RESPIRATORY SYSTEM

•     Main job: The respiratory system ditributes oxygen to our body.
•      Key vocabulary (Book, page 27): Inhalation, exhalation.

  

                                    

HEALTHY HABITS 

                                    

BE A MIND HERO!

Your mental health is like your superpower—it helps you feel strong and happy every day. But… if you ignore it, you might feel tired, sad, or stressed. 

Just like superheroes train their bodies, you can train your mind too!

Here are 5 hero tips:

1. Talk about your feelings – Even heroes ask for help! Share with a friend, parent, or teacher.
2. Take breaks – When things feel tough, pause like a hero before the next mission.
3. Do what you love – Play, draw, read, or listen to music. Fun gives you energy!
4. Be kind to yourself – Heroes make mistakes too. Say: “I’ll try again!”
5. Sleep well – Every hero needs rest to recharge their powers.

Remember: Your mind is your greatest power. Take care of it and you’ll be unstoppable!