the skin: its structure and function - part 18 of 35. the human skin is very think but is the largest single organ of the body. it sweats, it breathes, it stretches. it helps keep us warm, and it helps cool us off. it's hairy, it's bald. it's smooth, it's - 汗腺 個影片檔及 b 捲影像00:32
animation depicting a quarter rotation of a section of skin, shown in an x-ray style, including hair. - 汗腺 個影片檔及 b 捲影像00:08
the skin: its structure and function - part 28 of 35. the human skin is very think but is the largest single organ of the body. it sweats, it breathes, it stretches. it helps keep us warm, and it helps cool us off. it's hairy, it's bald. it's smooth, it's - 汗腺 個影片檔及 b 捲影像00:28
the skin: its structure and function - part 35 of 35. the human skin is very think but is the largest single organ of the body. it sweats, it breathes, it stretches. it helps keep us warm, and it helps cool us off. it's hairy, it's bald. it's smooth, it's - 汗腺 個影片檔及 b 捲影像00:28
the skin: its structure and function - part 30 of 35. the human skin is very think but is the largest single organ of the body. it sweats, it breathes, it stretches. it helps keep us warm, and it helps cool us off. it's hairy, it's bald. it's smooth, it's - 汗腺 個影片檔及 b 捲影像00:35
the skin: its structure and function - part 27 of 35. the human skin is very think but is the largest single organ of the body. it sweats, it breathes, it stretches. it helps keep us warm, and it helps cool us off. it's hairy, it's bald. it's smooth, it's - 汗腺 個影片檔及 b 捲影像00:32
the skin: its structure and function - part 19 of 35. the human skin is very think but is the largest single organ of the body. it sweats, it breathes, it stretches. it helps keep us warm, and it helps cool us off. it's hairy, it's bald. it's smooth, it's - 汗腺 個影片檔及 b 捲影像00:32
