Chapter 10

1. A structure in the dermis of the skin from which a strand of hair grows.
4. A condition of the skin in which the oil glands become blocked.
7. The lower layer of the skin.
8. A connective tissue that is more flexible than bone and that gives support to some parts of the body.
9. An organism’s body plan, or the way its parts are constructed or arranged.
11. A muscle that is not under conscious control.
16. The pigment that gives skin its color.
19. Involuntary muscle found inside many internal organs of the body.
20. The reaction of a person's body and mind to threatening, challenging, or disturbing events.
21. A disease in which some body cells grow and divide uncontrollably, damaging the parts of the body around them.
22. Muscle tissue found only in the heart.
24. The job or process that an organism’s structure or part of its structure carries out.
25. A body tissue that covers the inner and outer surfaces of the body.
29. A group of similar cells that perform a specific function in an organism.
30. The outermost layer of the skin.
31. The central core of an atom containing protons and usually neutrons; also, the control center of the cell that directs the cells’ activities and determines the cell’s characteristics.
32. An action or change in behavior that occurs as the result of a stimulus.
33. A place where two bones come together.

2. A structure in the body that is composed of different kinds of tissue.
3. Strong connective tissue that holds together the bones in a movable joint.
5. The soft tissue that fills the internal spaces in bones.
6. A muscle that is under conscious control.
9. A muscle that is attached to the bones of the skeleton.
10. The basic unit of structure and function in living things.
12. A body tissue that carries messages back and forth between the brain and every other part of the body.
13. A condition in which the body’s bones become weak and break easily.
14. A body tissue that provides support for the body and connects all of its parts.
15. The bones that make up the backbone of a vertebrate.
17. A change in an organism’s surroundings that causes the organism to react.
18. A body tissue that contracts or shortens, making body parts move.
23. A group of organs that work together to perform a major function in the body.
26. An opening through which sweat reaches the surface of the skin.
27. The process by which an organism’s internal environment is kept stable in spite of changes in the external environment.
28. Strong connective tissue that attaches a muscle to a bone.