5 Functions of the Skeletal System - provides shape and support enables you to move protects your internal organs produces blood cells stores certain material until you need them

Important Facts: **Adults have 206 Bones **Infants have 275 bones and skeleton made of mostly cartilage Cartilage - is connective tissue that is more flexible than bone-located between bones at joints. Ligament - strong connective tissue-connects bone to bone.

Types of Joints in the Body (use Diagram) A. hinge joint (knee and elbow) B. pivot joint (neck) C. ball and socket (hip and shoulder) gliding joint (wrists and ankles) 2 Types of Joint Movement 1.Movable Joint-most joints in the body are movable. They allow the body to make a wide range of movement.

Joint Movement 1.Movable Joint-most joints in the body are movable. They allow the body to make a wide range of movement. 2. immovable joint-some joints in the body allow little or no movement. Example: skull

1. Round Bones-movement and support a. located in arms and legs 2 Types of Bones 1. Round Bones-movement and support a. located in arms and legs

2. Flat Bones-they are involved in protecting vital organs Bone types cont. 2. Flat Bones-they are involved in protecting vital organs a. Located in the skull, ribs and scapula

Taking care of bones 1. eat a healthy diet 2. exercise regularly 3. Eat foods high in calcium and phosphorus ***As people get older their bones lose minerals that they must contain. They develop osteoporosis in which the body’s bones become weak and brittle. Eat a diet high in calcium and phosphorus.