Unit 3: Human Body

2. An organ that produces and releases chemicals either through ducts or into the bloodstream
3. System Brings in oxygen for cellular respiration and removes excess CO2. Made of the nose, trachea, and lungs
4. A body structure composed of different kinds of tissues that work together.
10. a period of the cell cycle between cell divisions
12. System enables the movement of the body and internal organs
14. the reaction of the body and mind to everyday challenges and demands
16. relatively constant internal physical and chemical conditions that organisms maintain
18. a disease in which some body cells grow and divide uncontrollably, damaging the parts of the body around them.
19. System gives our bodies structure and protects major organs like the heart, lungs, and brain
20. A group of similar cells that perform a specific function.

1. System The transport system of the body responsible for carrying oxygen and nutrients to the body and carrying away carbon dioxide and other wastes; composed of the heart, blood vessels, and blood
5. cell division in which the nucleus divides into nuclei containing the same number of chromosomes
6. System consists of glands that control many of the body's activities by producing hormones
7. System the network of nerve cells and fibers that transmits messages between body parts.
8. System Breaks down food into absorbable units that enter the blood for distribution to body cells
9. System a system of organs involved in producing offspring
11. division of the cytoplasm to form two separate daughter cells
13. System a complex response system that protects the body from bacteria, viruses, and other foreign substances
15. System the system that removes waste from your body and controls water balance
17. System A group of organs that work together to perform a major function