3.L.1 Understand human body systems and how they are essential for life: protection, movement and support.
3.L.1.1 Compare the different functions of the skeletal and muscular system.
3.L.1.2 Explain why skin is necessary for protection and for the body to remain healthy
How is the human body structured to carry on the necessary functions of life? (3.L.1)
How do the functions of the skeletal and muscular systems compare? (3.L.1.1)
Why is skin necessary for the human body? (3.L.1.2)