Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
anatomy biology blood body bulb cell cold connective cutaneous defence dermis epidermis epithelium first follicle fur gland hair heat human hypodermis insulation integument keratinised keratinous layer line nerve nervous organ organism pain perception receptor sebaceous sense sensory signal skin stimulus stratified sweat system tissue vessel vessels