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.
Answer:
The Female Reproductive System The female reproductive system produces the female gametes, or germ cells, called eggs.
Explanation:
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Answer:
It is the inward curve of your spine.
Explanation:
We all have a curve in our spine but having too much is considered lordosis of the upper or lower spine.
Answer:
I think it is D. Juuls contain a lot of nicotine.
Answer:A. Patients have a responsibility to make the health care choices they
prefer.
Explanation: