This Power Point is about the human body. About our bones This Power Point is about the human body.

Contents Bones Legs Arm Back Skull Interesting facts Joints

Bones You have 206 bones in your body. Without bones we would be a puddle. Baby’s have 300 bones in their body at birth. Your smallest bone is the size of a grain of rice. This is the Stirrup bone. Your longest bone in your body can hold up to four tones of weight. This is the femur.

Leg If you did not have legs you could not walk. Your quadriceps are in your leg. Your knee cap is called a patella. Your shin bone links your knee to your foot. Your longest bone bin your body is your femur in your leg.

Arm You have two bones in your wrist your radius and your ulna. Your funny bone is also called your humerus. The bone in your hands and feet are called phalange. Your funny bone is actually is a nerve that touches your humerus. There are metacarpals and carpals in your hand.

back The spine is made up of 33 or 26 little bones called vertebrae. The back helps us to stand up straight. The spine protects your spinal cord. The spine starts at the top of your neck. The spine finishes at your pelvis.

Skull Skull bones aren't fused together at birth. A human skull is almost full sized at birth. The bone that can move freely is your jawbone. The skull is their to protect your brain. The head is like a helmet.

Interesting facts Babies have 300 bones at birth more than adults. The smallest bone is the size of a grain of rice. The spongy layer in your bone looks like honey comb. Weight for weight bone is six times stronger than steel. If we did not have joints we could not move.

Joints You have six different joints in your body. Ellipsoidal joint which is in your knuckles and toes. Next is your hinge joint that is in your knee, ankle and elbow. The plane joint is found in the ankle and wrist. The ball-in-a-socket joint is in the hip and shoulder.