List the three types of nerve fibers found in the skin:
Motor Nerve Fibers Sensory Nerve Fibers Secretory Nerve Fibers
Can skin be nourished with cosmetic products
No, it must have nourishment from foods that we eat
What are collagen and elastin?
Collagen: Fibrous protein that gives the skin form and strength Elastin: Protein base similar to collagen that forms elastic tissue.
Explain how collagen and elastin can be weakened
Age, lack of moisture, UV light, changes in weight, gravity
Name the two types of glands contained within the skin and describe their functions:
Sudoriferous: sweat glands excrete perspiration and detoxify the body by excreting excess salt and unwanted chemicals. Sebaceous: oil glands secrete sebum, a fatty or oily substance that lubricates the skin and preserves the softness of hair.