Слайд 10Источники иллюстраций и фотографий:
Рот - http://www.google.ru/search?hl=ru&newwindow=1&client=opera&hs=fIB&rls=ru&channel=suggest&biw=1024&bih=653&tbm=isch&sa=1&q=%D1%84%D0%BE%D1%82%D0%BE+%D1%80%D0%BE%D1%82&oq=%D1%84%D0%BE%D1%82%D0%BE+%D1%80%D0%BE%D1%82&gs_l=img.3...54683.55731.0.56073.3.3.0.0.0.0.0.0..0.0...0.0...1c.pUBNKigSyng
Лук – http://www.google.ru/search?hl=ru&newwindow=1&client=opera&hs=Geq&rls=ru&channel=suggest&biw=1024&bih=653&tbm=isch&sa=1&q=%D1%84%D0%BE%D1%82%D0%BE+%D0%BB%D1%83%D0%BA&oq=%D1%84%D0%BE%D1%82%D0%BE+%D0%BB%D1%83%D0%BA&gs_l=img.3...99342.99951.0.100775.3.3.0.0.0.0.0.0..0.0...0.0...1c.MUI9D6E7mM0
Кот – http://www.google.ru/search?hl=ru&newwindow=1&client=opera&hs=b0V&rls=ru&channel=suggest&biw=1024&bih=653&tbm=isch&sa=1&q=%D1%84%D0%BE%D1%82%D0%BE+%D0%BA%D0%BE%D1%82&oq=%D1%84%D0%BE%D1%82%D0%BE+%D0%BA%D0%BE%D1%82&gs_l=img.3..0l10.23961.25732.0.26990.4.4.0.0.0.0.1138.1812.5-1j0j1.2.0...0.0...1c.yGqZa46Qkuw
Ток - http://www.google.ru/search?q=%D0%BA%D0%B0%D1%80%D1%82%D0%B8%D0%BD%D0%BA%D0%B0+%D1%82%D0%BE%D0%BA&hl=ru&newwindow=1&client=opera&hs=Uhq&rls=ru&channel=suggest&prmd=imvns&tbm=isch&tbo=u&source=univ&sa=X&ei=V4sFUKg-s8_hBJjAkI8J&ved=0CFYQsAQ&biw=1024&bih=653Пот
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