1. It arises from the epidermis and plays a unique role in maintaining homeostasis. It’s the …

2.  An exocrine gland that releases its secretion to the surface via ducts  Two types:  Sebaceous glands  Sweat glands

3.  Also known as oil glands  Found all over the body except on the palms and soles of the feet  Produce sebum – mixture of oily substances and fragmented cells  Keeps the skin soft and moist and prevents the hair from becoming brittle  Also contain chemicals that kill bacteria

4.  Also called sudoriferous glands, and there are two types of these  Eccrine glands – produce sweat (clear, acidic secretion) and regulate the body’s temperature  Apocrine glands – found in the axillary and genital areas. They are larger than eccrine glands and their ducts empty onto hair follicles, but their precise function is not yet known

5.  Scale-like modification of the epidermis  Each nail has a free edge, body (visible attached part), and root (embedded part)  Skin folds – an overlapping of skin at the borders of the nail  Cuticle – the thick “proximal” name fold  Nail bed – the stratum basale (deepest cell layer of the epidermis) that extends beneath the nail  Nail matrix – the thickened proximal area that is responsible for nail growth

6.  There millions of hairs covering our bodies  Serve as a minor protector (eyelashes shield the eyes, nose hairs kept debris out of the lungs, keeps us warm)  Cause goose bumps (thanks to the arrector pili muscle, which also makes our hairs stand on end)  Now the rest of the hair material, you are going to get from a lab.

7.  Study for memory check