110 likes | 130 Views
Explore the skeletal system: its structure, functions, and components such as bones, cartilage, and joints. Learn about bone types, joint classifications, and the weight of bones in the body. Engage in hands-on activities to understand bone structure and support capacity.
E N D
2 minor purposes:The Factory and a Storehouse • Making blood cells • A warehouse for fat cells, calcium, and other minerals.
What is the Skeletal System made up of? • Bones • Cartilage • Ligaments • Joints
Bone • There are 206 bones in and adult • The largest bone is the femur bone, located in the thigh. • The smallest bones are in the ear: hammer, anvil, and stirrup
Ligaments • Ligaments are a connective tissue that connects bone to bone
Cartilage • Cartilage is found at the end of many bones, nose, and ears. • It protects bones. • It acts like a shock absorber. • It gives shape w/ flexibility to your body.
Ball and Socket Hinge Joint Pivot Joint Fixed Joint Gliding Joint Head and arms Wrist and spine Skull Hips and shoulder Elbows and knees What Kind of Joint is This?
Activity 1How much do your bones weigh in your body? • (W x 35)/100= Approximate weight of your bones. • What is the %?
Activity 2Index Cards • Make a bone by folding the index card in one of the following ways: • Group 1: folded like a tent • Group 2: Folded in a square “tube” • Group 3: folded in a round “tube”, using short sides • Group 4: folded in a round “tube”, using the long sides.
Activity 2continue • Count the number of books you can stack on your bone. • Determine which type of bone will support the most weight. • Where would you want this type of bone in your body? • Where wouldn’t you want this type of bone? • Why?