Study Guide: Unit Test – Digestion, Respiratory, Circulatory Systems

1. What is the pharynx? the passage from the mouth to the larynx

2. What system includes the heart and blood vessels? cardiovascular system

3. Carrying oxygen and nutrients, fighting pathogens, and reducing blood loss are some of the functions of the blood.

4. What does the esophagus do? It moves food from the pharynx to the stomach.

5. Which of the following is NOT a true statement about the pancreas? It processes and stores bile and

cholesterol.

6. Humans cannot digest fiber, but it keeps the stool soft and helps material move through the large intestine.

7. Which of the following are the two types of blood circulation in the body? pulmonary and systemic

8. What are two types of circulation of blood in the body? pulmonary and systemic

9. What are the lower chambers of your heart called? ventricles

10. After nutrients are broken down, where do they go? to the bloodstream

11. Which of the following are blood types? A, B, AB, and O

12. What does the gallbladder store? bile

13. Capillaries exchange nutrients, oxygen, wastes, and carbon dioxide. Therefore, capillaries have thin walls.

14. What do the kidneys do? clean the blood

15. The function of the heart is to pump blood.

16. The main components of blood are plasma, red blood cells, white blood cells, and platelets.

17. Which of the following body parts is NOT involved in chemical digestion? stomach

18. Where is urine stored until it can be eliminated? in the urinary bladder

19. What occurs in the stomach? Acid kills most of the bacteria swallowed with food.

Study Guide: Unit Test – Digestion, Respiratory, Circulatory Systems

20. Oxygen-poor blood from the body returns to the heart through veins

21. What are the upper chambers of your heart called? atria

22. Which organ passes oxygen to the blood? lungs

23. What is the trachea? a tube that connect the throat and lungs

24. The exchange between alveoli and capillaries allows oxygen to enter the blood.

25. What systems are working together during the process of respiration? respiratory and cardiovascular systems

26. What does the liver store? nutrients

27. The part of the digestive system through which food passes is the digestive tract.

28. What are the two kinds of digestion? mechanical and chemical

29. Which of the following is NOT part of the digestive tract? liver

30. What are you doing when your diaphragm and rib muscles contract, and air enters the space created inside the your chest cavity? Inhaling

31. Which of the following body parts is NOT involved in mechanical digestion? tongue

32. How does your stomach squeeze the food in it? with muscular contractions

33. Which of the following is a term meaning that heart muscle cells have died? heart attack

34. Which of the following is NOT a true statement about the liver? It cleans the blood with nephrons.

35. What are the five main parts of the cardiovascular system? heart, arteries, capillaries, blood, and veins

36. Which of the following is NOT a part of the respiratory system? alveoli

Study Guide: Unit Test – Digestion, Respiratory, Circulatory Systems

37. What are the two types of circulation? pulmonary and systemic

38. What are alveoli? tiny air sacs in the lungs

39. Which of the following organs uses chemical and mechanical digestion to break food into nutrients? the stomach

40. Red blood cells, white blood cells, and platelets are found in plasma.

41. The main functions of blood are to carry oxygen, nutrients, and wastes; fight disease; and regulate temperature.

42. Why is it important to get the right blood type during a transfusion? A reaction to the wrong type could be fatal.