A piece of metal has a mass of 32.4g and has a volume of 24.9cm3. What is its density?

T Cells or another name T lymphocytes are responsible for dealing with our bodies viruses, bacteria, fungi and thing invading our immune system. They compose of almost 80% of lymphocytes running through out blood

B cells or B lymphocytes which is about 10% of lymphocytes they take care of antigens on abnormal cells. Known to divide, get bigger and become plasma cells. Plasma cells release a large numbers of immunoglobulins or antibodies into the blood so it can attach itself to surfaces of abnormal cells to destroy or try to destroy what ever is making your body feel sick

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