Your mouth, nose, throat, sinuses and lungs are lined with mucus membranes. These membranes contain mucus glands that produce - surprise - mucus. Mucus-producing membranes line specific passages in your body, like the respiratory and digestive tracts, for protection and support.
Answer:
Manutrition is a condition that results from a poor diet, a nutrient deficiency characterized with imbalances in a person's intake of energy. Physical and metal problems are health issues associated with malnutrition. Correct answer: B Physical problems linked to malnutrition are: problems with growing and resisting disease, poor immune system, problems with organ functions. Mental problems on the other hand include depression, trouble focusing.
Explanation:
Birth defects can be caused wither by internal genetic factors or external factors like drugs, radiation, smoking,...
Dana, who is concerned about the possibility that her baby will have defects, may do the following tests: screening test, that will show if she might have child with birth defect and diagnostic test like amniocentesis (analyzing small amount of amniotic fluid from the area surrounding the baby) which is more than 90% correct.
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