medical

4. The largest organ of the human body that protect internal structures from the outside environment
6. A specialized, typically infectious protein that causes other proteins to fold abnormally, leading to neurodegenerative diseases.
8. The basic, structural, functional, and biological unit of all known organisms.
11. The general term for a substance that can cause allergic reactions.
12. The body's natural defense mechanism, a complex system that protect against diseases.
14. The process by which the body breaks down food to release energy.

1. the main component of the human skeleton, protecting organs and supporting the body. The general term for any part of the skeleton.
2. A type of cell in the blood that is primarily responsible for carrying oxygen from the lungs to the rest of the body.
3. A common, often chronic disease where the airways become inflamed and narrowed, making breathing difficult.
5. A hormone produced in the pancreas that regulates the amount of glucose in the blood.
7. A specialist who deals with the diagnosis and treatment of cancer.
9. The study of drugs and their effects on the body.
10. The long, tube-like structure that transports blood throughout the body.
13. The state of having a very high body temperature, often due to an infection.