Name: 
 

Living Things / Human Body



Short Answer
 

1. 

Directions: Use the illustration below to answer questions 1 through 3.
living_things_human_files/i0020000.jpg
living_things_human_files/i0020001.jpg
living_things_human_files/i0020002.jpg
What is the basic unit of structure and function in the body?
 

2. 

What type of tissue moves blood through the heart and food through the digestive system?
 

3. 

Which organ system controls most body functions.
 

4. 

Directions: Use the illustration below to answer questions 4 through 6.
living_things_human_files/i0050000.jpg
living_things_human_files/i0050001.jpg
living_things_human_files/i0050002.jpg
What is the role of the heart in the circulatory system?
 

5. 

Is the blood that travels to the lungs oxygen-rich or oxygen-poor?
 

6. 

What do you think is the relationship between breathing rate and heart rate?
 

7. 

Directions: Use the illustration below to answer questions 7 through 9.
living_things_human_files/i0080000.jpg
Which structures in the skin help to regulate body temperature.
 

8. 

Which structures produced in the skin can protect the scalp from ultraviolet radiation?
 

9. 

What function does the layer of fat beneath the dermis provide?
 

10. 

Directions: Use the illustration below to answer questions 10 through 12.
living_things_human_files/i0110000.jpg
living_things_human_files/i0110001.jpg
living_things_human_files/i0110002.jpg
What are four methods by which pathogens get transferred?
 

11. 

Which causes of death listed in the table are infectious diseases?
 

12. 

Why have infectious diseases become less common in the last century?
 

13. 

Directions: Use the illustration below to answer questions 13 through 15.
living_things_human_files/i0140000.jpg
What is the inflammatory response?
Why is it sometimes called the body's general defense?
 

14. 

Briefly summarize the role of T cells and B cells in combating infection.
 

15. 

How does the human immunodeficiency virus (HIV) destroy the body's ability to fight disease?
 

16. 

Directions: Use the illustration below to answer questions 16 through 18.
living_things_human_files/i0170000.jpg
living_things_human_files/i0170001.jpg
living_things_human_files/i0170002.jpg
What are the advantages of using an MRI over X-rays?
 

17. 

What do X-rays and radio waves have in common?
How do they differ?
 

18. 

What do you call the picture produced by an ultrasound machine?
 

19. 

Directions: Use the illustration below to answer questions 19 through 21.
living_things_human_files/i0200000.jpgHow can frequent hand washing prevent the spread of infectious disease?
 

20. 

How do vaccines provide you with active immunity against disease?
 



 
Check Your Work     Reset Help