Question

2. Escribe de nuevo estas frases cambiando el sujeto por el pronombre personal adecuado.
1. Antonio isn ́t eleven. __________________________________________
2. My brother and I are Spanish. ___________________________________
3. Diana isn’t twelve. ____________________________________________
4. Dos Hermanas is near Seville. ____________________________________ 5. Paul and Helen are from England. __________________________________ 6. My dog Willy is three years old. ____________________________________ 7. My friends are Italian. __________________________________________
8. The zoo is open. _______________________________________________ 9. The supermarket is closed. _______________________________________ 10. The students are in the classroom. ________________________________ 11. These apples are from France. ___________________________________ 12. The doors are closed. __________________________________________ 13. The books are old. __________________________________________
14. Pedro and I are good friends. ____________________________________ 15. That girl is from Italy. __________________________________________ 16. That book is new. __________________________________________
17. These houses are very old. _____________________________________ 18. This boy is from London. ________________________________________ 19. These boys are from Cádiz. ______________________________________ 20. Your cat is in the street. _________________________________________

Answer 1

Respuesta:

Los sistemas nervioso y endocrino, aseguran los mecanismos de control del organismo. Por su parte, el sistema nervioso controla actividades rápidas como la contracción muscular, fenómenos viscerales y también la secreción de algunas glándulas endocrinas.