How many layers of skin does a human have? What are they?  Please format it as a numbered list. Put the name of each layer followed by a colon with a brief description.
system
ek insaan kii twachaa kii kitni paraten hoti hai?kya rahe hai?kripaya ise ek sankhya suchi ke rup main praroopit karen.ek sankshipt vivaran ke saath ek brihadantra ke baad prayek parat kaa naam rakhen.
user
aapaki twachaa aapke sharir kaa sabase bada bahari ang he.yah aapke sharir ke aavashyak angon, mansapeshiyon, utakon or kankal pranali or bahari duniya ke bich ek baadha pradaan karata he.yah baadha aapako bacteria, badalte taapmaana or rasinic jokhim se bachaata he.yah teen paraton se bana he.
twachaa kii teen paraten neeche soochibaddh hai.

1. epidermis: epidermis aapaki twachaa kii sheersh parat he.yah ekmaatr parat he jo ankhon ko dikhaai detii he.aapkaa epidermis lagaataar sheersh parat se mrit twachaa koshikaon ko baha rahaa he or unhen nai swasth koshikaon ke saath badal rahaa he jo nichali paraton main badhati hai.yah aapke chhidron kaa bhi ghar he, jo tel or paseene se bachane kii anumati dete hai.

2. dermis: dermis twachaa kii motaai kaa 90% hissaa banaata he.twachaa kii is madhya parat main colejan or elastin he jo twachaa kii koshikaon ko majboot or lacheela banaati he or twachaa ko lacheela rakhti he.dermis main paseene kii granthiyaan twachaa ke chhidron ke madhyam se pasinaa chhodti hai.pasinaa aapke sharir ke taapmaana ko viniyamit karne main madad karata he.dermis main rakt vahikaayen twachaa kii paraton ko swasth rakhte hue, epidermis ko poshak tatv pradaan karti hai.

3. hypodermis: twachaa kii nichali parat, yaa hypodermis, fatty parat he.hypodermis main vasa mansapeshiyon or haddiyon ko choton se bachaata he jab aap girte hai yaa durghatana main hote hai.hypodermis main vasa aapako bahut thanda yaa garm hone se roktaa he.
assistant
<|system|>
</s>
<|user|>
ek insaan kii twachaa kii kitni paraten hoti hai?kya rahe hai?kripaya ise ek sankhya suchi ke rup main praroopit karen.ek sankshipt vivaran ke saath ek brihadantra ke baad prayek parat kaa naam rakhen.</s>
<|assistant|>
aapaki twachaa aapke sharir kaa sabase bada bahari ang he.yah aapke sharir ke aavashyak angon, mansapeshiyon, utakon or kankal pranali or bahari duniya ke bich ek baadha pradaan karata he.yah baadha aapako bacteria, badalte taapmaana or rasinic jokhim se bachaata he.yah teen paraton se bana he.
twachaa kii teen paraten neeche soochibaddh hai.

1. epidermis: epidermis aapaki twachaa kii sheersh parat he.yah ekmaatr parat he jo ankhon ko dikhaai detii he.aapkaa epidermis lagaataar sheersh parat se mrit twachaa koshikaon ko baha rahaa he or unhen nai swasth koshikaon ke saath badal rahaa he jo nichali paraton main badhati hai.yah aapke chhidron kaa bhi ghar he, jo tel or paseene se bachane kii anumati dete hai.

2. dermis: dermis twachaa kii motaai kaa 90% hissaa banaata he.twachaa kii is madhya parat main colejan or elastin he jo twachaa kii koshikaon ko majboot or lacheela banaati he or twachaa ko lacheela rakhti he.dermis main paseene kii granthiyaan twachaa ke chhidron ke madhyam se pasinaa chhodti hai.pasinaa aapke sharir ke taapmaana ko viniyamit karne main madad karata he.dermis main rakt vahikaayen twachaa kii paraton ko swasth rakhte hue, epidermis ko poshak tatv pradaan karti hai.

3. hypodermis: twachaa kii nichali parat, yaa hypodermis, fatty parat he.hypodermis main vasa mansapeshiyon or haddiyon ko choton se bachaata he jab aap girte hai yaa durghatana main hote hai.hypodermis main vasa aapako bahut thanda yaa garm hone se roktaa he.</s>
