Chapter 4 discusses the integumentary system, highlighting surprising facts about skin, hair, and nail growth, including that nails and hair do not continue to grow after death. It covers various skin diseases, primarily different types of skin cancer, and other conditions like athlete's foot and psoriasis. The presentation emphasizes the importance of skin health and the body's continuous cell regeneration.

1. Chapter 4 The Integumentary System Disclaimer: Included in this presentation are pictures you will not find in your book, make note of the information and move on. Working smarter is not working harder. Episode III

2. Something's you didn’t know Feet have 500,000 sweat glands and can produce more than a pint of sweat a day. With that kind of sweat producing power it’s no wonder that your gym shoes have a stench that can peel paint. Information check… Are you writing this down?

3. Something's you didn’t know Nails and hair do not continue to grow after we die. They do appear longer when we die, however, as the skin dehydrates and pulls back from the nail beds and scalp.

4. Something's you didn’t know A simple, moderately severe sunburn damages the blood vessels extensively. How extensively? Studies have shown that it can take four to fifteen months for them to return to their normal condition.

5. Something's you didn’t know Three hundred million cells die in the human body every minute. Estimates have placed the total number of cells in the body at 10-50 trillion so you can afford to lose a few hundred million without a hitch.

6. Something's you didn’t know Every day an adult body produces 300 billion new cells. Your body not only needs energy to keep your organs up and running but also to constantly repair and build new cells to form the building blocks of your body itself. Unless your Dead

7. Something's you didn’t know This is going to be your last PowerPoint on something new for the rest of the Semester. This Presentation was brought to you by the letters. B & S

8. On with the Show Hooray!!!! Join us

9. Skin Diseases Basal Cell Carcinoma: Basale layer cells cannot for Keratin and divide uncontrolled. Least dangerous, most common. Skin Cancer

10. Skin Diseases Squamous Cell Carcinoma: Formed in Stratum Spinosum, this normally due to sun damage Appears in the scalp, top of the hands. Surgically removed with radiation therapy following. Skin Cancer Poor Pea-Skin

11. Skin Diseases Malignant Cell Carcinoma: 5% of all skin cancers. Usually starts from a mole, quickly metastasizes (breaks off) and spreads to lymph nodes and blood vessels. Survival rate is 50% Skin Cancer Do I really need an Arrow?

12. Skin Cancer Asymmetry : 2 sides of the spot/mole don’t match. Border Irregularity: The borders are not smooth and indented Color: The spot has different colors in it Diameter: Spot is larger than 6 millimeters (think pencil eraser) ABCD Rule

13. Other Funkiness and Such Athlete’s Foot Itchy, red, condition between the skin of the toes. From a fungal infection. Be calm

14. Other Funkiness and Such Boils & Carbuncles Boils: Inflammation of the hair follicles and sebaceous glands. Carbuncles: Boils caused by bacterial infections Common in areas of high sweat and covering Barney is evil

15. Other Funkiness and Such Cold Sores Small fluid-filled blisters that are caused by a herpes virus Activated by emotional stress, fever, or UV radiation. The reason Mr. Jackson fled his old gf. Leave all emotion

16. Other Funkiness and Such Contact Dermatitis Itchy, redness & swelling of skin then blistering. From a chemical agents that invoke allergic responses. Ex. Poison Ivy Usurp

17. Other Funkiness and Such Psoriasis Condition of an overproduction of skin cells that results in the reddening lesions & covered with dry silvery scales. Believed to be an autoimmune disorder Purple is bad

18. So what did we cover? Skin Cancers: Basal, Squamous Cell Carcinoma & Malignant Melanoma General Funkiness and Such Athlete's Foot Boils/Carbuncles Cold Sores Contact Dermatitis Psoriasis

19. Ok its Game Time. Hot Seat!!!