Skeletal System By Hilary IrvineFessenden School Grade 5

f

Major Organs (Skeletal Structure)

Skull Femur Ribs Spine Cranium Monocle Clavicle Numerous

Lumber Vertebrae Ulna Radius Pubis Carpals Metacarpals Isheum

Skull

Function - Protects the brain and other organs like the head organ and the spinal cord and also protects knocks and bangs

Structure - Eight bones are surrounded by your brain. The bones are made up of thick hard bone called cranium

Ribs

Function, Protects heart and lungs and parts of your stomach,liver,spllen and kidneys.

Structure, Thin flat bones that are curved in the middle. In the middle is a strong bone called the sternum.

Spine

Function - protects the spinal cord and provides stiffness for your body and provides motion for your body.

Structure - the vertebrae has a irregular shape and has small discs of cartilage.

Femur

Function - Helps you move and provides support for your legs and structure

Structure - Femur is the longest bone in your body and without it you wouldn’t be able to stand up.

Relationships with another body system

The skeletal system provides the structure for the entire body ( frame work ) The bones are surrounded by muscles, tendons and ligaments which works together to help the body move example to stand up they are the structure.

Healthy effects on your body

Exercise Calcium ( orange juice )VitaminsPotassium ( banana)

Harmful effects on your body

Smoking Lack of exercise Lack of calcium Lack of potassium Accident

Common Diseases

Osteoporosis ( brittle bone ) Bone cancer Accident

Interesting Facts An average adult male femur is 48 cm long it is part of An average adult male femur is 48 cm long it is part of

the knee jointthe knee joint There are 206 total bones in your body. There are 206 total bones in your body. Your bones consist of 50% water and 50% solid Your bones consist of 50% water and 50% solid

matter. matter. Your bones give points of attachments for the Your bones give points of attachments for the

muscles so that they may serve as levers and make muscles so that they may serve as levers and make movement possible. movement possible.

When you were born you had over 300 bones. As When you were born you had over 300 bones. As you grew, some of these bones began to fuse you grew, some of these bones began to fuse together and now you have 206 bones. together and now you have 206 bones.

Sources of Material

Websites – Wikipedia, answer.com, Dr Stanley.com, Google images

Books – The skeletal system and muscle book