Trachea:
The Tube Which Air Flows thorugh
*** Note: This post contains 2 comics!

Trachea is the tube which air flows through when you breathe, and it is located in your throat (of course).    When people say that they “choked on their windpipe”, they really mean that something fell into the trachea and blocked the flow of air, resulting in a lot of coughing to get that object out of the trachea.

the tube which air flows through ~

20170503 trachea p1a
(Click to Enlarge)

Trachea branches into 2 smaller tubes called the bronchi (singular: bronchus), and the 2 bronchi each leads into your two lungs.  When air enters the lungs, the lungs take oxygen out of the air and dump carbon dioxide into the air, then they push this air back out.  In this manner, your body constantly restock on fresh oxygen while dumping away the useless carbon dioxide.

20170503 trachea p2
(Click to Enlarge)

Next Generation Science Standards:

MS-LS1-3 Use argument supported by evidence for how the body is a system of interacting subsystems composed of groups of cells.

HS-LS1-2 Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.

HS-LS1-3 Plan and conduct an investigation to provide evidence that feedback mechanisms maintain homeostasis.

What Science Does this Comic Teach?

Unit: Anatomy

⇒Chapter: Respiratory System

⇒Topic: Trachea

Additional Information

Esophagus

Esophagus is the tube which food moves through when you swallow the food.  It is part of the digestive system.

Oxygen (O2)

Oxygen is a gas required to most organisms, including humans.  Without oxygen, our tissues will die in a matter of minutes.  We breathe in oxygen.

Carbon Dioxide (CO2)

Carbon dioxide is a gas that is the waste product from metabolic activities.  It has to be removed from our tissues.  We breathe out carbon dioxide.

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