Across
- 3. The last chamber blood is in before it leaves the heart
- 4. Moving in a circle at a joint
- 5. Made of two hip bones
- 12. Where the blood first enters the heart
- 13. Separate the chambers of the heart and prevents backflow
- 14. Second phase of breathing
- 16. Strucutre where blood cells are created
- 19. Spaces in the body that contain vital organs.
- 20. The same type of cells joined together to form this structure.
- 22. Larger bone of the lower arm
- 23. Sections in the body that are divided into sections used to describe locations.
- 25. Upper arm of the bone
Down
- 1. Microscopic organism that is the basic unit of life.
- 2. The type of respiration involving the tissue and blood.
- 6. Four seperate sections of the heart that all contribute to help the heart pump blood.
- 7. The type of respiration involves the bloodstream and the lungs.
- 8. The fourteen bones on each hand
- 9. two or more tissues that join together to form one structure.
- 10. The opposite of extension
- 11. Different body parts and organs joined to perform a particular function.
- 15. The first valve deoxygentaed blood goes through.
- 17. The air first enters this structure.
- 18. Severe tightening of the muscle.
- 21. Structure that prevents food and liquids from entering the respiratory tract.
- 24. When a muscle is not used for a long time and wastes away.