Buak

Ing Buak metung yang tutubung kilual a protina , a mayayakit mu kareng mammals. Lulual ya manibat keng epidermis, agiang daragul ya ibat keng buak a follicle king malalalm nang dake ning dermis. Agiang dakal kareng aliwang organismu, lalu na kareng insectu, papakit do ring pamandagul manibat kareng filamentous. Ela mabibilang buak deti. Deng mayayaus a "buak" (trichomes) mayayakit la naman kareng tanaman. Ing projections da reng arthropods, kalupa da reng insectu at babagwa ing aus da talaga insectung bristle. Ing buak da reng e tau a mammal species keraklan mayayaus yang bulbul. Atin mapilan kareng uring animal kalupa da reng pusa, asu at dagis pelipi da la para ditak o ala lang bulbul. Kareng aliwang species ing buak mawawala ya o makakalbu la karas da keng idad. 

Ing taganang component ning buak ausan deng keratin. Deng Keratins protina, makabang tanikalang (polymer) ning amino acid.

Buak ning Tau

Buak keng katawan

Lawen ya rin 
 Scalp
 Human hair color
 Baldness
 Hair iron

Sugung Palwal 
 Discussion about shaving and cultures
 Answers to several questions related to hair from curious kids

Dalerayan 

 
Integumentary system
Animal hair