Body parts

5. coordinates the muscle movements ordered by the motor cortex
6. is the airtight box that houses the bronchial tree, lungs, heart, and other structures
10. muscles regulated by the parts of the brain known as the cerebral motor cortex and the cerebellum
12. carry blood away from the heart
13. Are tiny cells nervous system depend a lot on
15. this circulation carries blood from the heart to all the other parts of the body and back again
16. system is made up of blood vessels that carry blood away from and towards the heart
19. system includes all of the bones and joints in the body
20. This circulation is a short loop from the heart to the lungs and back again
21. skeleton forms the central axis of the human body and is composed of 80 bones
22. nervous system is The brain and the spinal cord are the
23. skeleton consists of 126 bones

1. muscle is found in the heart
2. fluid helps protect the nerve tissue, keep it healthy, and remove waste products
3. is a long bundle of nerve tissue about 18 inches long and 1/2-inch thick
4. sends an electrical signal through the spinal cord and peripheral nerves to the muscles, causing them to contract
7. is a complex living organ that is made up of many cells, protein fibers, and minerals
8. carry blood back to the heart
9. system includes the nose, mouth, throat, voice box, windpipe, and lungs
11. muscles controlled by structures deep within the brain and the upper part of the spinal cord called the brain stem
14. nervous system Is The nerves that go through the whole body make up the
16. are Tiny hairs in your nostrils
17. is part of the digestive system as well as the respiratory system because it carries both food and air
18. , or windpipe, is the continuation of the airway below the larynx
19. acts as a scaffold by providing support and protection for the soft tissues that make up the rest of the body