Natural sciences



1. The natural beings
 
2. The minerals
 
3. The liquids
 
4. Gases
 
5. Erosión
 
6. Plants
 
7. Plant nutrition
 
8. Plant reproduction
 
9. Benefit of plants
 
10. Invertebrates I
 
11. Invertebrates II
 
12. Fishes, amphibians and reptiles
 
13. Birds
 
14. Mammals
 
15. The human being
 
16. Human gastrointestinal tract
 
17. Respiratory system
 
18. Circulatory system
 
19. Excretory system
 
20. Human musculoskeletal
 
21. The senses
 
22. Nervous system
 
23. Reproductive system
 




Educational applications 

Atrás

In Spanish

For computer:  www.aplicaciones.info/naturales/naturalesin.htm





®Arturo Ramo García.-Record of intellectual property of Teruel (Spain) No 141, of 29-IX-1999 Plaza Playa de Aro, 3, 1º DO 44002-TERUEL