Lesson 10 Reading Guide Answer Key
Burps: Doing Away With Extra Air p. 77
1. What are 2 ways that air/gas can get into the stomach?
Hiccups: Things Get Out Of Sync p. 78
2. What 2 muscle groups help you breathe? a. Diaphragm
a. Swallow with food b. Intercostal (between ribs)
b. In the soda we drink
3. When you inhale, the ribs move _______ and the diaphragm moves ________. Ribs move UP and OUT Diaphragm moves DOWN This makes the space for the lungs to __________ and air rushes in. lungs to EXPAND 4. What muscle causes a hiccup by contracting at the wrong time? DIaphragm
Spies: The Second Journey Begins Lesson 10, pp. 8589
Into The Nose p. 85
6. What is the name of the chamber that is inside of the nostril? Nasal Cavity
Lesson 10 Reading Guide Answer Key
The Nose Knows p. 86
7.
What are the 2 lines of defense that allow the nose to capture dust?
In The Pipeline p. 86 10. What is the difference between the epiglottis and the glottis?
a. Hairs in the nose capture dust b. Mucus lining nasal cavity captures duststicks to mucus
The EPIGLOTTIS is the flap of tissue that covers the larynx when you swallow. The GLOTTIS is the opening to the Larynx, leading to the Trachea
9. What are 2 other jobs of the nose? 11.
Where are your vocal cords?
a. Smell Vocal cords are part of the LARYNX
b. Warm/moisten air before it goes to lungs
12. How do you change the pitch (High or low note) of a sound? You change pitch by changing the tension/length of the vocal cords
A New Kind Of Tree p. 87 14. What are the Bronchi? The Bronchi are the branching tubes from the trachea 15.
What are the Bronchioles?
13. How do you change the volume of a sound? The Bronchioles are the tiniest tubes in the lungs
The more air that passes by, the louder the sound
16. What are Alveoli? Alveoli are the air sacs at the end of the Bronchioles that trade O 2 and CO2
Lesson 10 Reading Guide Answer Key
19. Time For Review p. 87
17. What muscles are in between the ribs? Intercostal Muscles 18. What large sheet of muscle is below the lungs? The Diaphragm
A. Why do you think burps smell different from the air you swallowed? (Think, & make a reasonable guess!)
The air is in the stomach. It picks up the odors of the food, mucus, & gastric juice in your stomach, and the gases from any chemicals reactions that happen in the stomach
What happens when you inhale?
The Intercostal (Rib) muscles move the ribs up/out The Diaphragm moves down This makes the chest cavity bigger, and air rushes in 20.
What happens when you exhale?
The Intercostal & Diaphragm relax Ribs move down Diaphragm moves up This shrinks the chest cavity, squeezing air out of the lungs
When Joanne sneezed, they discussed 1 job of the nose. Describe that job: Sneezing relates to the job of trapping particles like dust, pollen, bacteria, etc. The sneeze gets rid of something that is irritating the lining of the nasal cavity What is the difference between a cough and a sneeze? A sneeze gets rid of something irritating the lining of the nasal cavity A cough gets rid of something irritating the larynx, trachea, bronchi, bronchioles
Lesson 10 Reading Guide Answer Key
Smell is an important part of taste. Based on their description of smell, and the anatomy of the nose and mouth, how do you think that taste and smell are connected to each other? When you eat food, some of the molecules get into the air in your mouth and throat. These molecules can get to the smell nerves by going up the back of the throat into the nasal cavity
How is the role of the epiglottis different in breathing compared to swallowing? The epiglottis is pushed down by the bolus to cover the glottis when swallowing When breathing, the epiglottis is in the up position, leaving the glottis open for air to pass through
Packet p. 2
Explain what the muscle needs when it tells the brain: • The CO2 is building up as the muscle works. CO2 is a waste product that the muscles must get rid of. If it builds up, it will hurt the muscles, leaving them unable to work • O2 is one of the fuels that muscles use to release the energy they need to move. The muscles are looking for more O2 so they can have the energy they need to move
Why does the air rush in when the space around the lungs increases in size? The pressure inside the lungs drops. There is more pressure outside than inside the lungs. The air rushes in to even out the pressure.
Lesson 10 Reading Guide Answer Key
