Human body

We have been learning about the skeletal system.

contents

1. Bones

2. LEG

3. ARM

4. BACK

5. SKULL

6. INTERSTING FACTS

7. JOINTS

Bones

• A baby has 300 bones.

• An adult has 206 bones.

• Bones are as 6 time of stronger than steel.

• Our bones are very strong.

• Your bones grow up with you.

Leg

• The femur is in you upper leg.

• The femur is the biggest bone.

• In your lower leg is the tibia and fibula.

• If you did not have leg you could not walk.

• If you did not have your big toe you could not walk.

Arm

• The arm has 3 bones the humerus ulna and the radius.

• The human arm contains 30 bones.

• When it flexed that parts called the elbow.

• The funny bone actually a nerve that touches the humerus.

• Your funny bone tingles when you hit it.

Back

• The spine has 33 bones it protects your spinal cords.

• Your vertebrae is as long as a giraffe

• The back bone spine holds us up right.

• Your spine is made up of vertebra.

• In between your bones in your back there are small discs that stop your bones from grinding.

Skull

• Protects your brain. It is made up of different bones.

• Upper jaw mandible consists of two bones that form the central part of the face as wall as the upper jaw.

• When you are a baby the bones in your skull haven’t joined together.

• An adults skull is packed hard together.

INTERSTING FACTS

• Drink milk and eat cheese to help your bones stray strong.

• Our spine is long as a giraffes.• The human face has 14 bones and the

hand has 27 bones.• To move we need bones muscles and

joints.• In our there are 230 moveable joints there

are 6 different kinds of joints.

joints

• There are 6 types of joints in the body.• Pivot joints help us turn our head and

elbows.• The pivot joint sits in the top of the

vertebrae.• Our knees elbows and ankles all have

hinge joints.• The hinge joint helps us move parts of our

body with a bend and straighten action.