Across
- 1. Complex iron protein in red blood cells that binds to oxygen; gives blood color.
- 3. Small arteries that deliver blood to capillaries.
- 7. Scientific study of the structure, function, and pathology of the nervous system.
- 8. Body organ that removes waste created by digestion.
- 13. An oval, bony case that protects the brain.
- 14. The movable part of the muscle that is farthest from the skeleton.
- 15. Also known as microscopic anatomy; the study of tiny structures found in living tissues.
- 17. Muscle attached to the lower rear surface of the heel and pulls the foot down.
- 22. Body organs that excrete water and waste products.
- 23. Middle part of the muscle.
- 24. The largest artery in the body.
Down
- 1. Muscular, cone-shaped organ that keeps the blood moving within the circulatory system.
- 2. Connection between two or more bones of the skeleton.
- 4. Breathing outward; expelling carbon dioxide (collected from the blood) from the lungs.
- 5. Body organs that control the body’s vision.
- 6. Uppermost and largest bone in the arm, extending from the elbow to the shoulder.
- 9. Body organ that digests food, along with the stomach.
- 10. Constructive metabolism, the process of building up larger molecules from smaller ones.
- 11. Also known as collarbone; bone that joins the sternum and scapula.
- 12. Heavy, long bone that forms the leg above the knee.
- 16. Breathing in through the nose or mouth
- 18. Basic units of all living things, from bacteria to plants to animals, including human beings.
- 19. Lower jawbone; largest and strongest bone of the face.
- 20. Extensor muscle of the wrist involved in flexing the wrist.
- 21. Study of the nature, structure, function, and diseases of the muscles.