Across
- 4. System: The system that includes the skin, hair, nails, and glands, providing a protective barrier for the body and helping regulate temperature.
- 6. System: A group of organs that work together to break down food, absorb nutrients, and eliminate waste.
- 9. A microorganism, such as bacteria or viruses, that can cause disease in the body.
- 10. System: The group of organs involved in the exchange of gases, primarily oxygen and carbon dioxide, between the body and the environment.
Down
- 1. The process by which living organisms maintain a stable internal environment despite changes in external conditions.
- 2. A substance that provides essential nourishment for the body, such as vitamins, minerals, carbohydrates, proteins, and fats.
- 3. A type of protein that speeds up chemical reactions in the body, aiding in processes like digestion.
- 5. System: The system that transports blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body.
- 7. System: The body's defense mechanism against infections and diseases, consisting of various cells and organs that protect against pathogens.
- 8. System: The system responsible for filtering and eliminating waste products from the blood through urine.