Hello reader, I'm currently in a class called biomimicry. Biomimicry is when humans use nature to improve their designs. There are 3 main types of biomimicry: mimicking an organism's shape, mimicking an organism's process, and mimicking an organism's ecosystem. I am working on a design that mimics an organism's form and process. Before I tell you my design let me give you some background knowledge. November, 2021 I had broken my pelvis and snapped a tendon in my hip. Given both these severe injuries I managed to Recover in only 4 weeks. There are multiple things that are a tribute to my speedy recovery but one of the main things would be hyperbaric oxygen. What the heck is hyperbaric oxygen? Hyperbaric oxygen is when a machine called a concentrator converts the air around us from containing 21% oxygen to containing roughly 95% oxygen which is then connected to a compressor which forces the oxygen into your lungs, bloodstream, brain, etc. Hyperbaric oxygen is typically dispensed into a chamber. This chamber is put under pressure by the compressor producing the air from the concentrator. These chambers are usually no larger than 16 square feet. They also apply quite a bit of pressure to your ears and if you are in any warm climate being in them is almost unbearable due to the temperature rising due to the pressure. How does it relate to biomimicry? In Biomimicry class, we have learned that when you have a problem you should look to Nature to solve it. I found a creature called the lungfish.

 The Lungfish ( Protopterus annectens) is a type of modern fish that has an organ called a swim bladder. That is a vestigial adaptation ( when an organism has a feature it no longer uses so it finds a new purpose)  that the fish now uses as a way to store more oxygen. The Lungfish lives in warm, freshwater lakes in South and West Africa. 

Image of the Lungfish:
Speckle-bellied lungfish (Protopterus aethiopicus), Toba Aquarium 

    After seeing this fish I had a thought. Many people have tried to create rebreathers ( a device that allows you to breathe underwater) based on fish gills but have had very little success due to the amount of oxygen human beings need. So instead I applied the rebreather design based off a rebreather by a company called Triton to create a hyperbaric oxygen mask that's meant to improve the air on land (not to allow people to breathe underwater). 
      
    I tried to find a way that a person could get the benefits without the inconveniences of a hyperbaric oxygen chamber. So how does the mask work you may ask. The mask will be a gator style mask with a hole in the back for a tube that connects to a small battery pack containing a mini concentrator, mini compressor, 5000 milliamp hour hydrogen battery, and a 20 watt solar panel. This battery pack would then pump the concentrated and compressed air into the mask which would have a valve that releases the carbon dioxide when you breathe out. The mask also will have a foam and rubber seal around the outside. As you can see, it is a closed loop system. A closed loop system is something that doesn't constantly need external resources. 

                                Image of the mask:                                    
  
                                                           

 Image of the battery pack:


    Is the product sustainable? It can evolve to survive because it keeps humans alive for longer, the benefits of hyperbaric oxygen are limitless. It is very resourceful because most hyperbaric chambers require large compressors and large compressors and large concentrators to fill an entire area containing a human's whole body. The Lungfish mask does give you the same benefit but with the ability to move around, do daily life, and use way less power (the entire system can be run the small solar battery pack). It ties in perfectly to The United Nations' 17 Sustainable Development Goals. The SDG's help the UN track there progress towards a sustainable future. They want to achieve these goals by the year 2030. The Lungfish mask ties in with SDG #3: good health and well being. SDG #3 has individual targets as well. The Lungfish mask connects to SDG #3.9 which is health and well being surrounding air pollution and air quality.

Call to Action: The air we breathe is only 21% oxygen. Oxygen fuels every cell in the human body. If we increase the amount of oxygen in our body we will improve the function of our whole body and our life.

Citations: 
  1. Clegg, D. Y. (2009, August 5). How do fish gills work? Highlights Kids. Retrieved December 15, 2021, from https://www.highlightskids.com/explore/science-questions/how-do-fish-gills-work 

  2. Mikkelson, D. (2015, November 4). Triton 'tankless' scuba mask -- real or vaporware? Snopes.com. Retrieved December 15, 2021, from https://www.snopes.com/fact-check/triton-scuba-mask-design/ 


  3. Kerin, Elizabeth. Personal Interview. Dec. 15. 2021 


  1. "antiCovid-19 Mask respirator (decor)" by Vladislav Evdakov is licensed under CC0 1.0   / modified by FK ( dec 2021) 


  1. Raymond , M. (2015, December 7). African lungfish. Oregon Zoo. Retrieved December 15, 2021, from https://www.oregonzoo.org/discover/animals/african-lungfish 

6.. "Speckle-bellied lungfish (Protopterus aethiopicus), Toba Aquarium" by Joel Abroad is licensed under CC BY 2.0 






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