Study Guide for Body Organization/ Skeletal System Test -Review Section 1 & 2 (p.6-23) in your textbook. -Review all Handouts, homework and quizzes. -Test will be Thursday, Oct.15. -Section 1: Body Organization: -Be able to list in order, the 4 levels of organization and be able to give examples of organs and organ systems. -Define Homeostasis. -Section 2-The Skeletal System: **You will need to have a thorough, detailed understanding of the following terms and concepts: -List and explain the 5 functions of the skeletal system-what might happen if one or more of the functions didn’t work? -Label the 21 bones of the human skeleton -List and give an example of each of the 4 joint types: a. gliding/wrist or ankle, b. ball & socket/shoulder or where femur meets the pelvis, c. hinge/elbow, knee or fingers, d. pivot/where head meets the neck. -Review the Vertebrate Forelimb Packet because you will have to label the bones of an animal skeleton that you haven’t seen yet. -Define the word “joint”. -Explain the function and importance of joints. -What are ligaments? Why are they important? -What are the 2 main joint types? -Define fracture, sprain and dislocation? -What is arthritis? -What is osteoporosis? -How can you prevent osteoporosis? -Be able to label and define each part of a Long Bone. -Thoroughly describe the difference between compact and spongy bone: a.Compact: solid, smooth, dense, has a circular ring structure to it, center of each ring is a canal called Haversian Canal, Haversian Canal contains a tiny blood vessel called a capillary that brings blood to bone cells. This blood contains oxygen and nutrients to all bone cells. b.Spongy: strong, lightweight, full of holes. Keeps bones from becoming too heavy, contains Red Marrow which makes your blood cells. -What type of tissue brings nutrients and oxygen to all body cells including bone cells? (It’s a liquid tissue). -Why are bones considered living?