Предмет: Биология, автор: Джонни957842163

функции кожи помогите по биологии

Ответы

Автор ответа: vaperky
3
защитная функция (защита органов от механических повреждений, химическая защита: кожные железы убивают вредоносные бактерии). терморегуляция ( в жару пот охлаждает кожу, в мороз - мурашки помогают согреться, т.к. волосяные мышцы сокращаются и приходит ток крови к поверхности кожи)
Автор ответа: annasveta2
2
КОЖА, наружный покров тела животных и человека. Защищает организм от внешних воздействий, участвует в осязании, обмене веществ, выделении, терморегуляции. У взрослого человека площадь кожи составляет 1,5-2 м2. Клетки наружного слоя кожи обновляются за 20 суток. Поверхность имеет строго индивидуальный рисунок, не меняющийся с возрастом. Производные кожи: волосы, когти, перья, ногти и др. Заболевания кожи: дерматиты и др.
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Предмет: Английский язык, автор: greflacre2006
Sit down, Sarah,” Miss Mulkey said. “We have a new student in our class.”
Sarah saw a new girl. Her dark red hair was long. All the girls wore short bobs, and it was strange to see the new girl’s hair be right down to the seat behind her. She’s very pretty, Sarah thought. She had a beautiful oval face. But the girl’s clothes surprised Sarah most. She wore a blue velvet dress and – blue shoes. Like a princess.
Miss Mulkey smiled. “This is Melanie Rivers, class,” she said. “Melanie has come to Portland from Hollywood, California, and we’ll make her feel welcome, right, boys and girls?”
She paused. “Take out your arithmetic,” she said, and she looked as strict as usual.
Sarah worked worse than usual that morning. Even the play went out of her head when her eyes turned to the new girl. Melanie was from Hollywood! Did ordinary boys and girls live in Hollywood? But perhaps Melanie wasn’t an ordinary girl. Perhaps she was an actress. She was very pretty.
When the bell rang for lunch, children gathered around Melanie. She smiled and answered questions. Sarah came nearer.
“I don’t actually know any film stars,” Melanie said, “but I’ve seen a lot of them. Greta Garbo’s limousine went past our house nearly every morning.”
1. The new girl had longer hair than any of the girls in the class.
True False
2. The new girl’s clothes were beautiful.
True False
3. The new girl’s dress and shoes were of different colours.
True False
4. Sarah could not work well that day.
True False
5. Sarah was sure that Melanie was an actress.
True False
6. Melanie knew Greta Garbo.
True False

Предмет: Математика, автор: Alyarix