Anatomical and physiological barriers provide the crucial first line of defense against pathogens. These barriers include intact skin, vigorous mucociliary clearance mechanisms, low stomach pH and bacteriolytic lysozyme in tears, saliva and other secretions.
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Explanation:
To turn liquid oils into solid fats, hydrogen is added to unsaturated fats (option A).
<h3>What is hydrogenation?</h3>
Hydrogenation is a type of reaction that involves the addition of hydrogen with another substance, especially with an unsaturated organic compound, and usually under the influence of temperature, pressure and catalysts.
Hydrogenation converts liquid vegetable oils into solid or semi-solid fats, at a very high temperature.
Oils (liquid) usually contains unsaturated fatty acids while solid fats contain saturated fatty acids.
Liquid oils can be transformed into solid fats as a result of hydrogenation. In the process, hydrogen is reacted with an unsaturated fat or oil to become hardened and form a saturated fat.
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Candidiasis is a fungal infection caused by a yeast (a type of fungus) called Candida. Some species of Candida can cause infection in people; the most common is Candida albicans. Candida normally lives on the skin and inside the body, in places such as the mouth, throat, gut, and vagina, without causing any problems.
-Hunter
