Human immune system Some organs of the immune system are called lymphoid organs, because they are a home to lymphocytes which are the main components of the lymphatic system, The parts of the immune...
The contraction of right side of the heart occurs at the same time of left side contraction , Therefore , the pumping of deoxygenated blood from the right ventricle and pumping of the oxygenated...
Blood is the principal medium in the transport process , Its colour is red viscous liquid , PH equals 7.4 ( weak alkaline ) , Volume is 5 – 6 liters of blood on...
Leukemia Leukemia is the malignancy (cancer) of blood cells, It is also spelled leukaemia, It is a group of cancers which begin in the bone marrow and result in high numbers of the abnormal...
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