ZOO 3731 Lecture Notes - Lecture 23: Medulla Oblongata, Epiglottis, Escalator

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Published on 26 Aug 2020
School
Department
Course
Professor
Human Anatomy Respiratory System Dr. Lisa Brinn
Group members:
Video! Tell me what you think might have happened.
Which organ systems are being affected? How?
Two girls in a high school cafeteria were giggling over
lunch, and milk accidentally sprayed out of the nostrils of
one of them. Explain in anatomical terms why swallowed
fluids can sometimes come out of the nose.
Explain the mechanism known as “mucous
escalator”.
Why do we have C-shaped cartilage in our trachea?
Why is it that your mom used to tell you not to
talk while you were eating? Explain using
anatomy language
A boy in the same cafeteria then stood on his head to
show he could drink milk upside down without any of it
entering his nasal cavity or nose. What prevented the milk
from flowing downward into his nose?
Place numbers to complete the statements below. Some numbers can be used more than once, and others may not be
used at all
1. abdominal
2. alveolar ducts
3. alveolar sacs
4. alveoli
5. anterior
6. bronchi
7. cilia
8. cricoid cartilage
9. detecting olfactory stimuli
10. elastic tissue
11. epiglottis
12. filtering incoming air
13. goblet cells
14. glottis
15. heart
16. laryngeal prominence
17. larynx
18. lateral
19. lungs
20. medial
21. medulla oblongata
22. modifying speech vibrations
23. moistening incoming air
24. nasal cavity
25. nose
26. one
27. pharynx
28. pons
29. posterior
30.
pseudostratified ciliated columnar
46. liver
The respiratory, nervous, and cardiovascular
systems.
She has her knees locked causing decreased
blood flow, therefore decreasing the amount
of oxygen being dispersed. The brain will
sense that you have less oxygen and cause
you to faint.
The cilia moving debris to the pharynx.
When you talk while eating, you will allow air
out, therefore opening the epiglottis making
food go down the trachea instead of the
esophagus.
The soft palate creates a barrier between the
nasopharynx and oropharynx preventing the
milk from flowing downward into his nose.
The esophagus is posterior to the trachea. This
is C-shaped so that when you swallow food the
bulge isn't always hitting the cartilage on the
trachea. Also, the C- shaped cartilage allows the
trachea to collapse so food can pass down the
esophagus.
A soft palate is supposed to separate the
nasopharynx from the oropharynx and prevent
the milk from spraying out the nostrils; this
sometimes fails because she is laughing
causing the air to be released at the same time
as she was swallowing causing increased
pressure.
Amanda Sanchez, Brianna Wint, Heder Garcia, Daniela Pantoja, Jenifer Alvarez
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Document Summary

Amanda sanchez, brianna wint, heder garcia, daniela pantoja, jenifer alvarez. Tell me what you think might have happened. She has her knees locked causing decreased blood flow, therefore decreasing the amount of oxygen being dispersed. The brain will sense that you have less oxygen and cause you to faint. When you talk while eating, you will allow air out, therefore opening the epiglottis making food go down the trachea instead of the esophagus. Two girls in a high school cafeteria were giggling over lunch, and milk accidentally sprayed out of the nostrils of one of them. Explain in anatomical terms why swallowed fluids can sometimes come out of the nose. This is c-shaped so that when you swallow food the bulge isn"t always hitting the cartilage on the trachea. Also, the c- shaped cartilage allows the trachea to collapse so food can pass down the esophagus.

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