Review Guide: Human body
1. A group of cells that perform a similar function is called
2. Which type of human body tissue can contract, or shorten?
3. The process by which an organism's internal environment is kept stable in spite of changes in the external environment is called
4. The bones of the skeleton store minerals such as phosphorus and
5. The bones that form the backbone are called
6. The spaces in bones are filled with
7. Which type of muscle is found only in the heart?
8. Which type of muscle controls digestion?
9. Which type of muscle tires quickly during exercise?
10. What substance in the mouth contains an enzyme that begins chemical digestion?
11. What process involves muscle contractions that move food through the esophagus?
12. What substance coats and protects the inside of the stomach?
13. In what part of the body does most chemical digestion take place?
14. In what part of the body are most of the nutrients absorbed?
15. What organ produces bile?
16. Which process takes place in the large intestine?
17. What is the main function of the excretory system?
18. What function do the kidneys perform?
19. Which organ of the excretory system stores urine until the body is ready to eliminate it?
20. Tiny filtering structures where urine is produced in the kidneys are called
21 .Under normal conditions, which of the following substances is found in urine?
22. Which excretory organ eliminates water and some chemical wastes in perspiration?
23. In which excretory organ is urea produced?
24. A person with an irregular or slow heartbeat is sometimes given an artificial
25. The function of the atria is to
26. The heart rate changes to correspond to the body's
27. When the ventricles contract, blood is pumped
28. Blood vessels that carry blood away from the heart are called
29. Which chamber of the heart pumps oxygen-poor blood to the lungs?
30. When blood flows into the right atrium from the body, it contains
31. Which chamber of the heart contracts with the most force?
32. In which vessels are materials exchanged between the blood and the body cells?
33. If your pulse rate increases, your heart is beating
34. What causes blood pressure?
35. What instrument is used to measure blood pressure?
36. In a blood pressure reading of 120/85, the number 120 refers to the blood pressure
37. Which component of blood is 90 percent water?
38. Which component of blood carries oxygen to the body cells?
39. The function of white blood cells is to
40. If a person's blood lacked platelets, what process could not take place?
41Which blood types can a person with type O blood safely receive in a transfusion?
42. The role of the respiratory system is to bring what substance into the body?
43. What term do scientists use to describe the chemical process in which oxygen and glucose react to release energy inside body cells?
44. Which part of the respiratory system is also part of the digestive system?
45. What is the name of the small flap of tissue that seals off the trachea during swallowing?
46. Which parts of the respiratory system divide into smaller and smaller tubes in a pattern that resembles the branches of a tree?
47. Where in the respiratory system does gas exchange occur?
48. Each alveolus is surrounded by a network of