Fill in the blank with the appropriate term.
1. The __________________ is the major organ of the integumentary system.
2. The innermost cells of the epidermis are continuously dividing through
_________________ to form new cells.
3. The epidermis also contains _______________________, which are cells that
produce melanin.
4. The amount of melanin produced is determined by heredity and exposure to
______________ light.
5. The dermis is attached to the epidermis by __________________ fibers.
6. Sweat glands open to the surface through __________________ in the skin.
7. Blood vessels in the skin ______________________ when the body is too warm.
8. The underlying cause of acne is excessive secretion of ______________________.
9. The best way to prevent skin cancer is to avoid UV exposure by using sunscreen and
wearing ___________________ clothing.
10. A brown spot on the skin is likely to be a harmless __________________, but it
could be a sign of skin cancer.
11. All the organs of the integumentary system help the body maintain
__________________.
12. Hair provides ____________________ input when objects brush against it or it
sways in moving air.