Download The Respiratory System Key Concept Builder LESSON 1 Key Concept

Name
Date
Key Concept Builder
Class
LESSON 1
The Respiratory System
Key Concept What does the respiratory system do?
Directions: Answer each question or respond to each statement on the lines provided.
1. What happens during cellular respiration?
2. Why is cellular respiration needed for life?
3. What is a waste product of cellular respiration?
4. What is the respiratory system?
5. Take a deep breath. Explain what happens to your body as you breathe air in and out.
7. What job does the respiratory system do besides bringing oxygen into your body?
8. What would happen to your body if waste products, such as carbon dioxide, were not
removed from your body?
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Respiration and Circulation
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
6. What happens when people try to hold their breath?
Name
Date
Class
Key Concept Builder
LESSON 1
The Respiratory System
Key Concept How do the parts of the respiratory system work together?
Directions: On the line before each description, write the letter of the term that matches it correctly. Some terms
may be used more than once or not at all.
1. what carbon dioxide moves into during gas
exchange
A. pharynx
B. larynx
2. located in the larynx
C. vocal cords
3. two narrow tubes leading into the lungs
D. trachea
4. what lines the nose and most other airways
E. bronchi
of the respiratory system
F. lungs
5. passageway at the top of the throat
G. bronchioles
6. small, narrow tubes inside the lungs
H. alveoli
7. often called the voice box
I. epiglottis
8. folds of tissue that vibrate and make sounds
J. cilia
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
9. also called the windpipe
10. small tubes of the respiratory system
11. microscopic sacs where gas exchange takes place
12. a tube held open by C-shaped rings of cartilage
13. located at the lower end of the pharynx
14. main organs of the respiratory system
15. flap of tissue that keeps food and liquids from
entering the respiratory system
16. receives air, food, and liquids from the mouth
or nose
17. carry trapped particles away from the lungs
Respiration and Circulation
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Name
Date
Class
Key Concept Builder
LESSON 1
The Respiratory System
Key Concept How do the parts of the respiratory system work together?
Directions: Label this diagram by writing the correct letter for each term in the word bank on each line.
A. alveoli
C. carbon dioxide
E. oxygen
B. blood vessel
D. lung
F. red blood cells
Wall of
alveolus
5.
6.
2.
1.
4.
Gas exchange in alveoli
Directions: Answer each question on the lines provided.
7. What happens to air taken in through the nose?
8. Where does the air go as it passes into the throat?
9. Where are the bronchi located, and what is their purpose?
18
Respiration and Circulation
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
3.
Name
Date
Class
Key Concept Builder
LESSON 1
The Respiratory System
Key Concept How does the respiratory system interact with other body systems?
Directions: Complete each statement in the space provided.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
When this occurs, …
… this happens.
When high levels of carbon dioxide
build up in my blood,
1.
When I exhale,
2.
As I breath, my diaphragm
3.
The movement of my diaphragm
causes
4.
I breathe because of changes
5.
When my diaphragm contracts and
moves downward,
6.
When my diaphragm contracts,
my chest muscles
7.
Lifting my rib muscles expands
8.
Increased space in my chest
9.
Because the air pressure in my chest
is reduced, air
10.
If I get a severe respiratory illness,
11.
When I stay away from irritants,
air pollution, and smoking,
12.
Respiration and Circulation
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