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Name __________________________
Wednesday, 11-16-16
Packet # 2 - 11
7th Science - ________
AIM: Define and describe the function of the respiratory system.
Quote of the Day: “You must never be fearful about what you are doing
when it is right.” - Rosa Parks
Do Now – answer questions 1 and 2 during/after the video
Discovery Education Video, 1:58 – The Respiratory System
1. The nasal cavity is lined with mucous membranes and small hairs to
______________________________________________ air.
2. What happens when exhaled air vibrates the vocal chords?
______________________________________________
PPT - Take notes in the spaces provided while discussing the PowerPoint
To burn food for the release of energy stored in it, _____________ must be supplied to
cells, and carbon dioxide removed.
Nose/mouth: _____________ through these
_____________: connected to your mouth/nasal cavity
_____________: air travels down this from your pharynx to your lungs when you take a
breath
Lungs: ____________ as air is added; ____________ as air is released through breathing
_________________: muscle beneath lungs that moves down when you take a breath
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Video – Travel of air through the respiratory system, 2:09
Take notes in the spaces provided while the video plays.
Gas exchange is the ______________________ from the lungs to the bloodstream and
the ________________________________from the bloodstream to the lungs.
Oxygen molecules attach to ___________________which travel back to the heart. At the
same time, _________________________ are blown out of the body with the next
exhalation.
TERM BANK
INDEPENDENT PRACTICE
PART 1: Fill-in-the-blank
Homeostasis
Respiratory
Lungs
Diaphragm
Blood
Trachea
Mouth
Oxygen
1. The _________________ system’s responsibility
is to supply the body’s cells with _____________________ and remove carbon
dioxide.
2. The ________________ is the muscle beneath lungs that moves down when you take
a breath.
3. All the body’s organs systems work together to ensure you are alive and well in a
process known as homeostasis.
4. Oxygen and carbon dioxide is exchanged between the air in the lungs and the
_____________________ in order for oxygen to be carried throughout the body.
5. The _______________ is the entrance point of air into the body.
6. _______________ take in oxygen for the combustion of food and eliminate the
carbon dioxide produced.
7. The _________________ is the tube air travels down this from your pharynx to your
lungs when you take a breath.
PART 2: True/False. For each statement that is false, RE-WRITE THE ENTIRE
STATEMENT so that it is true.
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8. ________Your body needs carbon dioxide to turn the food you eat into energy!
9. ________ Carbon dioxide from throughout the body is transported by the blood into
the lungs, where it is exhaled.
10. _________The lungs expand as air is added & retract as air is released through
breathing
11. __________Your body must remove carbon dioxide which is a dangerous gas that is
produced.
PART 3: Fill in the blanks in the image of the respiratory system below.
WORDS: diaphragm, lungs, mouth, trachea, nose
PART 4: Multiple-choice. Use MCS to answer the following choices.
12. Which of the following takes place in the lungs?
a. Food is digested
b. Gas exchange
c. Waste material is filtered from the blood
d. Food is stored
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Exit Ticket
1. Describe the flow of oxygen into the body in complete sentences using the following
terms: lungs, pharynx, mouth/noise, trachea, diaphragm, alveoli/capillaries
2. How do the respiratory and circulatory systems work together?
3. Why does our body need oxygen?
4. What toxic gas does our respiratory system remove from the body?
5. Label the diagram of the respiratory system with the following terms: lungs, pharynx,
mouth/noise, trachea, diaphragm, alveoli/capillaries
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