Viri
VIRI slika uteži (sneto 5.4.2018) http://www.clker.com/cliparts/O/N/a/Z/q/c/10-kg-weight-hi.png Slika kože(sneto 5.4.2018) https://static.tumblr.com/2d6269102b2306da0f8df1ba8907615d/vhdospk/x54onu8jm/tumblr_static_tumblr_static_6cjobrr33l8okcwc8sc0s0g44_640.jpg slika zgradbe kože(sneto 5.4 2018) https://sites.google.com/site/kozabiologija/_/rsrc/1472778223625/home/zgradba-koze/plasti_koze.thumb.jpg?height=250&width=400 videoposnetek(sneto 5.4.2018) https://blogger.googleusercontent.com/img/proxy/AVvXsEgFxZleQKkOMJmhvewt0Awkb38XkSyUKhiluLm6Az4yuvLRSDfp8uvOWzX_E6BLyrbL6ODeFT-HZMTvTi3S45YQwMvMjt8bnYKg3FggA_tl99bBRsySEwfye9iZYb1Bey_ZE61-VKtTxQ=w945-h600-n-k-no-nu PODATKI o koži(sneto 5.4.2018) https://sl.m.wikipedia.org/wiki/Koža
