Chapter 9: Science | Crossword
Across
3. | physical point of connection between two bones; articulation |
6. | the study of the function of the body |
7. | chemicals secreted by endocrine glands to regulate body functions |
8. | fibrous tissues that connect muscles to bone |
10. | a stage of life beginning between the ages of 8 and 14; indicates sexual reproduction is possible |
11. | system of acquiring knowledge through observation and experimentation to describe the natural world |
12. | process in which white blood cells surround, ingest, and destroy a foreign invader |
15. | any foreign substance, either outside or inside the body, that causes the immune system to produce antibodies |
16. | the study of the structure of the body |
18. | a method designed to logically formulate, test, and evaluate a problem or hypothesis |
19. | tough bands of fibrous tissue that connect bone to bone |
20. | an idea or a suggestion often developed to explain something, the cause of which is unknown |
Down
1. | white blood cell that destroys pathogenic microorganisms |
2. | state of internal balance achieved by adjusting the physiological systems of the body |
4. | ability to resist pathogens |
5. | transparent, gel-like substance inside of every cell; cellular activities occur here |
9. | the "brain" of a cell; directs all activities and contains genetic information |
11. | cells in the body that evolve into specific cells in a particular organ system |
13. | a protein produced by the immune system; circulates in the plasma in response to the presence of foreign antigens |
14. | groups of cells that work together to accomplish the same task |
17. | two or more groups of tissues working together to perform specific functions |