Science- Moving and Growing
by Angela Dobson
1. Vertebrates
1.1. Internal skeleton
1.1.1. ribs
1.1.2. skull
1.1.3. vertebrae
1.1.4. pelvis
1.2. REASONS
1.2.1. movement
1.2.1.1. Muscles
1.2.1.1.1. work in pairs
1.2.1.1.2. contract
1.2.1.1.3. relax
1.2.2. support
1.2.3. protection
1.3. Bones grow
2. Invertebrates
2.1. no backbone
2.2. bugs
2.3. soft
3. Exercise and rest
3.1. Changes
3.1.1. Heart beat increases
3.1.2. Breathe faster
3.1.3. heat up