The skeleton and bones
Answers are for parents and teachers.
1
List the skeleton parts and the function of each.
Head – brain protection; spine – support and cord protection; rib cage – protects heart and lungs; limbs – movement and grasping.
2
Give one example for each of the three types of joining (movable, semi-movable, immovable).
Knee joint; vertebrae; skull bones.
3
Draw a long bone and label 5 parts.
Periosteum, compact bone, spongy bone, red marrow, yellow marrow (cavity).
4
Why are food, dairy, sunlight and activity important for bones during growth?
Calcium and vitamin D provide mineral deposition; activity strengthens bones.
5
Link carrying a bag on both shoulders with the spine.
The load is spread evenly, the spine does not curve to one side, and muscles work evenly.