the skin: its structure and function - part 11 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 - bald buff man stock videos & royalty-free footage00:30The Skin: Its Structure and Function - part 11 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'sBeach, Skin, Sunlight