Unit 1 skeleton, joints and muscles

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Transcript of Unit 1 skeleton, joints and muscles

SKELETON, JOINTS AND MUSCLES

THIS IS MY SKELETON

The skeleton has 206 bones.

head

torso

limbs

The skeleton has 3 parts: skull, torso

and the limbs.

The skeleton has 2 functions:

It supports our body.It protects the delicate

organs inside our body.

Our bones are connected at joints.

JOINTS

Our elbows, knees, shoulders, wrists and ankles are all joints.

There are 600 muscles in our body.

THERE ARE 2 TYPES OF MUSCLES

voluntary involuntary

1. We can move voluntary muscles when we want.

2. We can’t control involuntary muscles: they move automatically.

Muscles relax and contract.