The answer is skin
The first line of defence is your innate immune system. Level one of this system consists of physical barriers like your skin and the mucosal lining in your respiratory tract. The tears, sweat, saliva and mucous produced by the skin and mucosal lining are part of that physical barrier, too.
Answer:
a medicine which promotes the secretion of sputum by the air passages, used to treat coughs.
Explanation:
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Incorporate more schools that serve breakfast.
The Department of Health and Human Services in the US has proposed a program called Healthy People 2020 to encourage the prevention of acute and chronic illness for all US residents.
One of the more than 1300 specific goals of Healthy People 2020 is to increase the number of schools that serve breakfast. This is a crucial goal because, regrettably, not all parents provide their kids with a healthy breakfast because of financial hardship, carelessness, etc.
Children would benefit from breakfast being served at school either for free or at a reduced cost since they would start the day with nourishment and better health and nutrition from a nutritious breakfast.
Learn more about Healthy People here brainly.com/question/7491325
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Answer:
are u sure this question is correct
The answer would be a Doctorate in veterinary medicine.
