Skin Defense

3. Vitamin D3 is synthesized by the skin from UVB rays and diet; is used for growth, ____ absorption, and skeletal development.
6. Sebum is produced by sebaceous _____, while ear wax is produced by ceruminous ______, and milk is produced by mammary _____.
8. The major functions of the integumentary system are protection, _____, sensory, thermal regulation, and vitamin D synthesis.
10. The hypodermis is ______ the dermis.
12. The scientific name for hair, which is hard keratin, is _____.
14. Skin color evolved as a result of accumulation of Vitamin D and UV effect on ______ acid.
15. Folic acid level decrease leads to poor ______ and sperm production.
17. Terminal hair is found on the scalp, eyebrows, eyelashes, armpits, and pubic area, while ______ hair is thin, light, and found all over the body.
18. Hair growth goes through anagen (mature), catagen (separated), and _______ (resting) phases.
19. ______ is soft white hair that babies are often born with.

1. First degree burns effect the epidermis, second degree burns effect the _____, and third degree burns go deeper than the hypodermis or even to the bone.
2. The dermis is made up of reticular and ______ layers.
4. ______ creates pigment, with eumelanim producing brown/black and pheomelanin producing blond/red.
5. ______ chemicals are more easily absorbed through the skin.
7. The epidermis is ______ stratified squamous tissue.
9. Sweat glands are either merocrine (sweat) or _______ (pheromones).
10. The epidermis is made up of the stratum corneum, lucidum, granulosum, spinosum, and ____.
11. Cyanosis creates blue pigment, erythema creates red pigment, pallor causes paleness, albinism is no pigment, jaundice is yellow pigment, and ______ is a bruise.
13. The most lightly pigmented skin colors are found along the poles, and the darkest skin colors are found around the _____ because of differing UV radiation to those areas.
16. Basal cell carcinoma (round, pigmented), squamous cell carcinoma (flakey, wound-like), and melanoma (irregular, black) are all forms of skin _____.
20. The integumentary system is made up of the skin, hair, ____, and glands.