8^th Grade Science Body Systems Name:

Matching:

A. Artery B. Vein C. Alveoli

D. Cerebellum E. Cerebrum F. Neuron

G. Larynx H. Osteocyte I. Virus

1. ___ Voice box; contains the vocal cords.

2. ___ Vessel returning deoxygenated blood to the heart.

3. ___ Area of the brain controlling memory and thought.

4. ___ Cell responsible for building bone.

5. ___ Longest cells of body; make up nerves.

6. ___ Small air sacs at end of the lungs’ air passages.

7. ___ Area of the brain responsible for balance and walking.

8. ___ Vessel taking oxygenated blood to the body from the heart.

9. ___ Nucleic acid in a protein coat. Nonliving, often parasitic, agent.

10. Muscle responsible for straightening a joint: (a) Flexor (b) Extensor (c) Biceps

11. Actin and myosin are mainly found in which tissue? (a) Nerve (b) Muscle (c) Bone

12. Poisonous gases such as Sarin and VX affect which tissue? (a) Nerve (b) Muscle (c) Bone

13. Blood first enters the heart though a(n): (a) Atrium (b) Ventricle (c) Aorta

14. The major artery leaving the heart to supply the body: (a) Atrium (b) Ventricle (c) Aorta

15. Coronary bypass surgery involves an operation on: (a) aorta (b) brain (c) smaller arteries on the heart

16. Viruses : (a) Use cells to reproduce (b) Have no cells themselves

(c) Turn specific cells into virus factories (d) All of these

17. Certain types of pollution cause a generation of ozone in the troposphere. This ozone has been linked to asthma attacks in major cities. Ozone affects which system?

(a) Circulatory (b) Nervous (c) Musculature (d) Respiratory

18. The majority of colds are caused by: (a) Rhinoviruses (b) Sleeping in cold rooms (c) Horses

19. You hear that a distant acquaintance had an accident while skiing and broke a femur. You know this person has suffered an injury to the:

(a) Arm (b) Leg (c) Torso (d) Head

20. Tissue connecting muscle to bone: (a) Ligament (b) Tendon (c) Spine

21. Bone is not a living structure in the body. This is why it does not readily decompose and often survives the death of the animal by centuries. TRUE or FALSE

22. Which collection of nerves serves to prepare the body for “flight or flight?” It speeds up the heartbeat, shuts down digestion, and works to enhance alertness.

(a) Sympathetic (b) Parasympathetic (c) Spinal

23. “Pulmonary” refers to which organ? (a) Heart (b) Brain (c) Lungs (d) Skin

24. List the four chambers of the human heart:

25. A pregnant woman about to have a baby is given an epidural to lessen pain. The medication is injected into her:

(a) Spine (b) Uterus (c) Kidney

26. A stroke starts with a ruptured artery and all too often ends with diminished mental abilities. This condition primarily affects the:

(a) Heart (b) Lungs (c) Brain (d) Kidney

27. The nasal cavity: (a) Is the site of rhinovirus infection (b) Warms air going to lungs

(c) Moisturizes air going to lungs (d) All of these

28. Most rhinoviruses gain access to the nasal cavity by the:

(a) tear duct (b) nose (c) mouth (d) lungs

29. Spina bifida: (a) Is a serious birth defect

(b) Can be prevented by eating folic acid

(c) Results when neural tube does not close

(d) All of these

30. When a person is dying of pneumonia, technically they are;

(a) drowning (b) bleeding (c) starving

31. A patient has a condition in which their heart’s right ventricle pumps more blood to the lungs than their left ventricle pumps to the body. This condition leads ultimately to:

(a) a stroke (b) congestive heart failure

(c) tuberculosis (d) no problem; this is how the body should work

32. Look at the picture of the person jogging. Write an essay describing how TWO of the body systems we have studied are interacting to help this person.