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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Osteoporosis is the correct answer I think
B. Lactic acid build up creates pains and aches on the muscles
No, because in a Punnett Square it only uses two patents DNA
The medical term that refers to a blood study that gives a direct measurement of the amount of thyroxin in the patients blood is the THYROXIN LEVEL