Across
- 2. a group of connected cells in an animal or plant that are similar to each other, have the same purpose, and form the stated part of the animal or plant
- 3. a thin layer of tissue that covers cartilage ( body tissue that is very strong but not as hard as bone), except in joints
- 6. a straight line that reaches from one point on the edge of a round shape or object, through its centre, to a point on the opposite edge
- 8. (a piece of) a type of strong tissue found in humans in the joints (= places where two bones are connected) and other places such as the nose, throat, and ears
- 9. a bone cell that is surrounded by a layer of hard bone tissue
- 10. the process of habits or ideas becoming fixed and unable to change
- 11. any of the hard parts inside a human or animal that make up its frame
- 13. the bones of the head that surround the brain and give the head its shape
- 14. the set of conditions that provides a system in which something grows or develops
Down
- 1. a small organ at the base of the brain that controls the growth and activity of the body by producing hormones
- 4. a layer of tissue covering the inside surface of bones that allows them to grow and repair
- 5. a cell that forms bone
- 7. a hole, or an empty space between two surfaces
- 9. a large cell found in bones that gets rid of bone tissue that is no longer needed
- 12. the frame of bones supporting a human or animal body