The skeletal system. Bones, joints, cartilage and ligaments form what we know as the bone...

1. The skeleton is part of the body

1.1. Humans

1.2. Animals

1.2.1. Such as dogs, cats, fish and birds.

2. Bones

2.1. Functions

2.1.1. the hardest structures in our body

2.1.2. support the body

2.1.3. Provide Protection

2.1.3.1. Brain

2.1.3.2. Lunges

2.1.3.3. Heart

2.2. Movements

2.2.1. Walking

2.2.2. Jumping

2.2.3. Running

2.2.4. Stooping

3. New node

4. Cartilage

4.1. Characteristics

4.1.1. In some cases soft

4.1.2. flexible

4.1.3. Although with some rigidity

4.1.4. Aging. The skeleton of an adult person is constituted by 206 bones while a newborn by 270

4.1.4.1. As child is soft

4.1.4.2. As man his cartilages also harden into bones

4.2. Where it is?

4.2.1. Nose

4.2.2. Ears

4.2.3. union of the sternum

4.2.4. End of some bonds

5. Joints: Our flexible points. The points where the bones meet are known as joints

5.1. Allows us

5.1.1. Flex

5.1.2. Rotate

5.2. Ligaments

5.2.1. Resistance

5.2.2. Join one bone with another