Ответьте пожалуйста, кто знает)

окружающий помогите

При сильных эмоцыях человек может покраснеть или побледнеть . Почему изменяется цвет кожи ?

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В каких ситуациях вы краснеете ?___________________________________

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В каких ситуациях выбледнеете ?___________________________________

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Прошу помощи!!!!задание:задайте общие вопросы? 1.Bill"s cat is funny. ..............funny? 2.Bill has got a funny cat. ...........a funny cat? 3. Bill"s cat can jump. ..............jump? 4. She has got ten ducks. ............ten ducks? 5. She is angry. ..........angry? 6. It is a big house. ............a big house? 7. He has got a big house. .............a big house? 8. She is ten. ..............ten? 9. Bill has got ten red pens. ............ten red pens? 10. He can skate. ...........skate? 11. Jill can run. ...............run? 12. Jill has got a crocodile. .............a crocodile? 13. The crocodile is angry. ...................angry? 14. Nick is strong. ...............strong? 15. Nick has got a bike. ............a bike? 16. The duck can swim. ................swim? 17. It is a duck. ...............a duck? 18. She is lazy. ..................lazy? 19. She has got five rabbits. ................five rabbits? 20. She can skate. .................skate? 21. She has got a cat. ...................a cat? 22. She is sad. ..................sad? 23. He can run. ................run? 24. He has got a nice bike. ....................a nice bike?