Answer:
antibodies
Explanation:
The third line of defense is specific resistance. This system relies on antigens, which are specific substances found in foreign microbes. Most antigens are proteins that serve as the stimulus to produce an immune response. The term "antigen" comes from ANTI-body GENerating substances.
symptoms of COPD:
shortness of breath
chronic cough
chest pressure
frequent respiratory infections
symptoms of diabetes mellitus:
frequent urination
excessive thirst
extreme hunger
weight loss
dry skin
symptoms of anxiety:
sweating
trembling
breathing rapidly(hyperventilation)
feeling nervous,restless or tense
A dangerous level of bilirubin is around 20
When a baby is first born, the skin is a dark red to purple color. As the baby starts to breathe air, the color changes to red. This redness normally starts to fade in the first day. A baby's hands and feet may stay bluish in color for several days.
