The Skeletal System main functions

Support-

1)rigid bone frame

2)supports soft tissues like skin and muscles.

Posture-

1) correct shape.

2)maintain good posture which is essential for sports.

3) E.g. aids performance in gymnastics.

Protection-

1)Tough bones- protect vital organs like brain, heart and lungs.

2)allows good performance without fear of injury.

3) E.g. skull protects brain, so you can head a football or take punches in boxing without serious injury.

Movement-

1) Muscles, attached to bones by tendons, move bones at joints.

2) Movement is essential for performance in sport.

3) type of movement at joints is important.

Making Blood Cells-

1) bones contain bone marrow, makes red blood cells.

2) red blood cells important- transport oxygen to muscles.

3) Athletes with more Red Blood Cells perform better-moge oxygen can be delivered to muscles.

Mineral storage-

1) Bones store minerals like calcium and phosphorous.

2) help with bone strength- less likely to break bone.

3) needed for muscle contraction- so body can move.