Life Science Chapter 14 Study Guide Answers

Chapter 14 Answer Key

1. The process by which an organism’s internal environment is kept stable in spite of changes in the external environment.
2. Nucleus
3. Nervous tissue
4. Skeletal system
5. Muscle tissue
6. provide shape & support, protect internal organs, storage & produce blood cells
7. cartilage
8. a soft connective tissue that fills the spaces in bones
9. backward or forward
10. They  are good sources of calcium
11. Only in the heart
12.  Skeletal muscle
13. While one muscle in the pair contracts, the other returns to its original length
14. They can only contract
15. By enabling excess heat to escape
16. Nerves and blood vessels
17. Beneath the dead cells
18. Beneath the outer membrane of bone
19. A strong connective tissue that holds movable joints together
20. Epithelial
21. Cells, tissues, organs, organ system
22. They contract
23. Calcium and phosphorous
24. Digestive track
25. Skull
26. Dermis
27. Hard bone begins to replace most of the cartilage
28. Tendon
29. Use sunscreen
30. Ligament
31. Gliding Joint
32. See page 476 for information on movable and immovable joints.
33. Study figure 7 on page 476-477
34. Hinge- backward & forward, ball-and-socket-around in a circle, pivot- allows one bone to rotate around another
35. Ball-and-socket joints
36. Smooth-involuntary, cardiac- involuntary, & skeletal- voluntary
37. See figure 12 on page 483
38. Skeletal
39. Essay question, see section 1
40. Essay question see section 1