skeletal system

2. joint A joint that allows movement in one direction like the knee, elbow
5. Soft, flexible material found in joints, ears, and nose
6. action Quick automatic response without thinking like pulling hand away from a hot object
8. (Spine / Vertebral column) A chain of small bones that protects the spinal cord and helps us stand straight
9. Messages signals carried by nerves
10. Places where two bones meet, helping in movement
12. The framework of bones in our body
13. Thin threads that carry messages signals in the body
16. The action we take after receiving a stimulus
19. A break or crack in a bone
20. (Brain stem) The part of the brain that controls involuntary actions like breathing and heartbeat
21. and socket joint A joint that allows movement in all directions like shoulder, hip
22. The largest part of the brain; controls thinking, memory, learning, and senses
24. joint A joint that allows rotation like neck
25. cord A bundle of nerves running down the backbone that carries messages between the brain and body
26. Curved bones that form the ribcage and protect the heart and lungs

1. Working together of different body parts under the control of the nervous system
3. system The body system that controls actions and responses
4. (nerve cells) Special cells that carry messages in the form of electrical signals
7. The part of the brain that controls balance and posture
11. marrow Soft tissue inside bones that makes blood cells
14. Hard structures that make up the skeleton and give shape
15. organs Organs that help us sense the world eyes, ears, nose, tongue, skin
17. The bony structure that protects the brain
18. joint A joint that does not move like in the skull
19. The thigh bone; the longest bone in the body
21. The control center of the body
23. Any change in the environment that makes us respond like sound, light, heat