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pelle

domande sulla pelle

domandarisposta
Come si chiamano e quanti sono gli strati della pelle? Gli strati della pelle sono 3 e si chiamano: epidermide, derma, ipoderma.
A cosa serve l'epidermide? A proteggere il corpo dall'esterno.
Nell'epidermide si forma la melanina. A cosa serve? La melanina ci fa abbronzare e così ci protegge dai raggi del sole
Cosa si trova nel derma? I vasi sanguigni, le ghiandole del sudore e del grasso, i follicoli dei peli e le terminazioni nervose.
Cosa si trova nell'ipoderma e a cosa ci serve? Nell'ipoderma ci sono le cellule del grasso. Servono a proteggere dal freddo e formano una riserva di energia.
Che funzione hanno i ricettori nervosi nella pelle? Trasmettono al cervello informazioni legate alle sensazioni di freddo, caldo, pressione, dolore
A cosa serve il sudore? Il sudore abbassa la temperatura del corpo e elimina le sostanze di rifiuto.
Created by: sciopao
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