P4

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Across
  1. 2. It is a smooth and very hard layer that lies underneath the periosteum.
  2. 4. It is the time when our body starts to change from that of a child to that of an adult.
  3. 7. These are the chemicals in our body that control and regulate the activities of certain cells or organs.
  4. 8. It is a think and dense membrane that is on the outer surface of a bone. It contains nerves and blood vessels.
  5. 10. This is a kind of food that gives us energy. It enables us to carry out all kinds of physical activities.
Down
  1. 1. It prevents constipation and helps move the bowels.
  2. 3. It is the fourth stage of human growth.
  3. 5. These are cleverly designed to allow movements at the joints.
  4. 6. These are body-building foods. We need these for growth and for repair of damaged tissues.
  5. 9. It is found in many bones and is protected by the cancellous bone.