Medical Terminology

1. upper heart chamber that receives blood from the body.
3. supportive cells in the nervous system aiding neurons.
7. relating to arteries that supply blood to the heart muscle.
9. the opening in the eye that regulates the amount of light entering.
11. a small, tube-like organ attached to the large intestine.
12. the final section of the small intestine, absorbing nutrients.
13. excessive sweating, often due to stress or illness.
14. blood vessels that carry blood back to the heart.
15. cartilage in the knee that absorbs shock between bones.
21. windpipe; allows air passage to the lungs.
24. minerals in body fluids that help with muscle and nerve function.
25. a brain region controlling body temperature, hunger, and thirst.
26. a part of a nerve cell that transmits electrical impulses.
27. immune cell that engulfs and digests foreign substances.
29. A physician who focuses on treating disorders of the foot is a(n)
31. structure in the skin that produces hair.
32. a serious type of skin cancer originating in pigment-producing cells.
33. membrane surrounding the heart for protection.
35. small airway branches in the lungs that lead to alveoli.
36. oil secreted by sebaceous glands to moisturize skin.
37. a protein in skin, hair, and nails that provides strength and resilience.
39. the study of how body systems function.
40. a hormone from the pancreas that regulates blood sugar.

2. an area in the retina responsible for sharp, central vision.
4. a condition in which blood pH is too high, affecting health.
5. chemical that transmits signals between nerve cells.
6. a stress hormone from the adrenal glands affecting metabolism.
8. a hormone released in response to stress, boosting energy.
10. a substance that triggers an immune response.
16. also known as the collarbone, connecting the shoulder to the sternum.
17. partially digested food moving from the stomach to the intestine.
18. bones forming the spine, protecting the spinal cord.
19. red blood cell that carries oxygen through the bloodstream.
20. also known as a platelet, aiding in blood clotting.
22. spiral-shaped part of the inner ear that enables hearing.
23. the transparent part of the eye that focuses light on the retina.
28. a cell that engulfs and digests foreign particles in the immune response.
30. relating to the lungs or respiratory system.
32. part of the brainstem controlling automatic functions like breathing.
34. soft tissue inside bones that produces blood cells.
38. a blood clot or air bubble traveling through the bloodstream.