Answer:
The Immune system is a complex network of cells (such as lymphocytes) and organs that work together to defend the body against foreign substances (antigens) such as bacteria, a virus or tumor cell.
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Answer:
Alzheimers is a disease that affects the main, it starts out gradually and causes memory loss, issues with speech, affects the ability to think clearly and affects the way a person moves.
Explanaton:
Hypoglycemia additionally regarded as low blood sugar, is when blood sugar decreases to under regular levels. The symptoms are Confusion, loss of conscious, Bother talking or death and also a feeling of sweating, shakiness and hunger.
