7th Grade Science Student ebook

17.1 BONES AND MUSCLES Chapter 17: Support and Movement Vertebral column Femur Pelvis Patella Fibula Tibia Calcaneus Rib cage St ...

UNIT 6 THE HUMAN BODY Figure 17.1: A cross section of the femur—longest bone in your body. periosteum - the outer surface of a b ...

17.1 Bones and Muscles. CHAPTER 17: SUPPORT AND MOVEMENT Joints Fixed and moving joints The place where two bones meet is called ...

UNIT 6 THE HUMAN BODY Figure 17.3: Some human muscles. muscular system - a body system that consists of skeletal muscles and ten ...

17.1 BONES AND MUSCLES CHAPTER 17: SUPPORT AND MOVEMENT Movement Muscles work in pairs Muscles usually work in pairs called flex ...

UNIT 6 THE HUMAN BODY Figure 17.5: Use this diagram to answer question 1. 17.1 Section Review Match the names of the bones belo ...

17.2 THE HUMAN BODY AS A MACHINE CHAPTER 17: SUPPORT AND MOVEMENT 17.2 The Human Body as a Machine You may have heard the human ...

UNIT 6 THE HUMAN BODY Figure 17.7: Forces in a lever. Figure 17.8: Forces in a set of ropes and pulleys. input force - the force ...

17.2 The Human Body as a Machine. CHAPTER 17: SUPPORT AND MOVEMENT Levers and mechanical advantage Examples of levers A lever ca ...

UNIT 6 THE HUMAN BODY Figure 17.9: A broom has a mechanical advantage of less than 1. The mechanical advantage of a lever can be ...

17.2 THE HUMAN BODY AS A MACHINE CHAPTER 17: SUPPORT AND MOVEMENT The three classes of levers The three types of levers There ar ...

UNIT 6 THE HUMAN BODY Figure 17.11: The neck is an example of a first-class lever. Figure 17.12: The foot is an example of a sec ...

17.2 THE HUMAN BODY AS A MACHINE CHAPTER 17: SUPPORT AND MOVEMENT 17.2 Section Review What is a force? Name two units used to m ...

Skin Grafts for Burn Victims According to the American Burn Association, there are 1.1 million burn injuries in the United State ...

Unit 6 THE HUMAN BODY Sources of skin grafts Patients with severe burns are often treated with skin grafts. Surgeons who are spe ...

Leg levers - Digger or Runner? Some animals do a lot of running, while others spend a lot of their time digging. The way the leg ...

CHAPTER 17 SUPPORT AND MOVEMENT Chapter 17 Assessment Vocabulary Select the correct term to complete the sentences. Section 17.1 ...

CHAPTER 17 SUPPORT AND MOVEMENT Label these muscle movements are voluntary or involuntary: movement of the digestive tract, bli ...

UNIT 6 THE HUMAN BODY Chapter 17 Assessment.. Bones are comprised of: 30% living tissue, cells, and blood vessels; 45% mineral ...

CHAPTER 17 SUPPORT AND MOVEMENT A car gets stuck in the mud. The driver is using a lever to try to get out. If the driver appli ...