Digestive system, respiratory system, circulatory system and excretory system.

1. NUTRITION

2. Our bodies need energy to live,
grow and develop.

3. Our energy supports
DIGESTION CIRCULATION
RESPIRATION EXCRETION

4. DIGESTIVE SYSTEM
It extracts nutrients
from food.

6. https://www.youtube.com/watch?v=VwrsL-lCZYo
HOW THE DIGESTIVE SYSTEM
WORKS

7. IMPORTANT QUESTIONS
1.What is the digestive system?
2.Which is the role of the stomach?
3.What is produced in the small intestine?
4.Which is the function of the large intestine?

8. CIRCULATORY
SYSTEM
It transports blood rich in nutrients
to all the cells in the body.

9. THE HEART

10. CIRCULATION
PULMONARY CIRCULATION
SYSTEMIC CIRCULATION
SYSTEMIC CIRCULATION

11. Blood is made up of plasma, red blood cells, white
blood cells and platelets.

12. HOW YOUR HEART
WORKS
https://www.youtube.com/watch?v=_eVG45_iF9U

13. IMPORTANT QUESTIONS
1.Which is the function of the circulatory
system?
2.Name and explain the different parts of the
blood.
3.How is blood transported?
4.How does blood flow around the body?

14. RESPIRATORY
SYSTEM

15. The air enters through the nose and
mouth.

16. INHALATION
EXPIRATION

17. https://www.youtube.com/watch?v=ydX8Lw4q2Mk
HOW WE BREATHE

18. IMPORTANT QUESTIONS
1.To what do we use the respiratory system?
2.How is the trachea divided?.
3.Explain the function of the diaphragm.

19. EXCRETORY SYSTEM

20. The excretory system eliminates waste
products from our body.
The urinary system excretes urines and
sweat glands excrete sweat.

21. Exercise is important to be healthy.

22. Mª José Fernández Toledano
CEIP Villa de Cobeña
Diciembre 2015
Imágenes obtenidas a través de ByME.
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