Answer: *Answers are in the Explanation*
Explanation: On May 3, 2018, the U.S. Department of Agriculture (USDA) released its long-awaited proposed regulations for the mandatory disclosure of foods produced using genetic engineering (GE). These rules will implement the 2016 federal law requiring those GE disclosures, establishing many details on how the disclosures will be implemented. The rules are the final step in a decades-long process of demanding and securing GE food labeling in the United States at the state and now at the federal level. As such, public comment will be extremely important. The importance of comments is even further magnified by the fact that the USDA proposal presents a range of alternatives and makes few decisions, leaving uncertainty about the final outcome on critical points.
Image result for What will happen if air sacs are damaged?
When emphysema develops, the alveoli and lung tissue are destroyed. With this damage, the alveoli cannot support the bronchial tubes. The tubes collapse and cause an “obstruction” (a blockage), which traps air inside the lungs. Too much air trapped in the lungs can give some patients a barrel-chested appearance.
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Goal of 1st line of defense: to prevent pathogen from entering body
There are physical and chemical barriers where all exposed body entrances would be. Ex. Skin, mouth, eyes, nostrils.
-The skin: composed of tough dead cells that are constantly shedding- physical barrier bc it prevents pathogen from latching on. Skin also contains sweat and oil glands that secrete acids and oils that prevent the growth of pathogens- chemical barrier. Also, sweat contains lysozyme.
Saliva and tears: protect the mouth and the eyes from pathogen invasion. Saliva and tears contain lysozyme.
Nostrils, digestive + respiratory tracts lined with another barrier: mucous.
