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Human tears contain the enzyme lysozyme which disrupts the cell walls of gram-positive bacteria by digesting the peptidoglycan in it. This enzyme can also be found in your saliva.

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Q: How do tears act as barriers against harmful organisms?
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Related questions

What are five major barriers against pathogens?

Tears, saliva, skin, mucous membranes, and stomach acid


What are the body's natural barriers?

The body's natural barriers include the skin, mucous membranes in the respiratory and digestive tracts, stomach acid, and the immune system. These barriers help protect the body from pathogens and foreign substances, preventing infections and maintaining overall health.


What are the body's barrier?

skin acts as a natural barrier against harmful stuff :) So do tears, sweat and the stomach :)


What acts as a barrier to keep foreign organisms and viruses out of your body?

THere are many barriers to prevent foreign organisms and viruses from entering your body. These include the skin, the mucous membranes of the respiratory system, the stomach acid, the enzymes in your tears, and the immune system.


What feautures protect your body?

The body has a number of natural barriers, your skin, your eyelashes, mucus and even tears are all natural barriers to name but a few.


Why are your tears natural barriers?

Tears function as natural barriers because they contain enzymes and proteins that help protect the eyes from infection. They also help wash away irritants and foreign particles, keeping the eyes clean and moisturized. Additionally, the salty nature of tears can create a hostile environment for bacteria and other pathogens.


What protects the body against the invasion of harmful pathogens and chemicals?

The immune system is the body's defense mechanism against harmful pathogens and chemicals. It includes various components such as white blood cells, antibodies, and the lymphatic system that work together to identify and eliminate foreign invaders. Additionally, physical barriers like the skin and mucous membranes also play a role in preventing the entry of pathogens into the body.


How does prejudice tear us apart?

Prejudice tears us apart by fostering division and hostility among different individuals or groups. It leads to discrimination, misunderstanding, and mistrust which can ultimately damage relationships, erode empathy, and perpetuate harmful stereotypes. This can create barriers to communication, cooperation, and unity in society.


Are tears are acidic or bases?

Tears are slightly acidic, with a pH of around 7.4. This pH helps to protect the eyes from harmful microbes and maintain the health of the cornea.


What are four barriers to pathogens entering the body Why are they important?

skin tears saliva mucus igestive juices and i dont know why they are important sorry


What is substance that comes from living organisms and contains Carbon?

All of them except tears(if you're not a diabetic)


Discrimination against Native Americans?

Discrimination was like the trail of tears it was bad