1. Body Tissues Where do tissues fit in the organizational structure we learned about in Unit 1? a)Chemicals, __________, Cells b)Organs, ________, Systems c)Cells, __________, Organs

2. Intro to the I.S. Is the skin an organ? a)Yes b)No

3. Intro to the I.S. Which of the following is NOT a function of the Integumentary System? a)Protection b)Making vitamin D c)Regulating body temperature d)Absorbing water into the body

4. Structure of the Skin Where do you think the cells in the epidermis get their nutrients from? a)From the air b)From blood vessels in the dermis c)From the fat cells in the hypodermis

5. Structure of the Skin True or False: Some parts of the body need more protection than others a)True b)False

6. Structure of the Skin How many chromosomes will the daughter cells formed in the stratum basale have? a)23 b)46 c)35

7. Structure of the Skin (cont.) Why do cell nuclei need to be protected from UV radiation? a)To prevent water loss from the cell b) To ensure adequate nutrition for the cell c) To prevent changes in cellular DNA d) To allow more ATP to be made

8. Structure of the Skin True or False: As you age, your face will wrinkle before your butt does. a) true b) false

9. Structure of the Skin (cont.) True or False: Identical twins have identical fingerprints. –a) True –b) False

10. Structure of the Skin In what layer of the skin does the ink get injected when you get a tatoo? a) in the fat of the hypodermis b) in the stratum basale c) in the dermis

11. Accessory Structures True or False: Sweat is smelly! a) true b) false