Science- Moving and Growing

1. Invertebrates

1.1. no backbone

1.2. bugs

1.3. soft

2. Exercise and rest

2.1. Changes

2.1.1. Heart beat increases

2.1.2. Breathe faster

2.1.3. heat up

2.2. Oxygen to muscles

3. Vertebrates

3.1. Internal skeleton

3.1.1. ribs

3.1.2. skull

3.1.3. vertebrae

3.1.4. pelvis

3.2. REASONS

3.2.1. movement

3.2.1.1. Muscles

3.2.1.1.1. work in pairs

3.2.1.1.2. contract

3.2.1.1.3. relax

3.2.2. support

3.2.3. protection

3.3. Bones grow