Question

what are three type of cells present un our body? write one function of each

Answer 1

i)-Erythrocyte (red blood cell)-Red blood cell, also called erythrocyte, cellular component of blood, millions of which in the circulation of vertebrates give the blood its characteristic colour and carry oxygen from the lungs to the tissues. ... The biconcave shape of the cell allows oxygen exchange at a constant rate over the largest possible area.
ii)-Megakaryocyte (platelet precursor)-Two megakaryocytes in bone marrow, marked with arrows. A megakaryocyte (mega- + karyo- + -cyte, "large-nucleus cell") is a large bone marrow cell with a lobated nucleus responsible for the production of blood thrombocytes (platelets), which are necessary for normal blood clotting.
iii)-Monocyte (white blood cell)-Monocytes which migrate from the bloodstream to other tissues will then differentiate into tissue resident macrophages or dendritic cells. Macrophages are responsible for protecting tissues from foreign substances, but are also suspected to be important in the formation of important organs like the heart and brain.

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Answer 2

the three types of cells are
nerve cell
bone cell and
cartilage cell
nerve cell helps to form nervous system
cartilage cells are similar to bone cell
bone cell gives strength
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