Blood Cells
Red Blood cells/erythrocytes -they are formed in red bone marrows of the ribs, skull and vertebrae -survive for approximately 120 days and are then destroyed in the liver and spleen Structure and Function -contains no nucleus: this allows more room for haemoglobin (also: cells cannot divide/reproduce ) -they have biconcave disc shape to increase surface area -contains hemoglobin that allows the transport of oxygen White Blood cells/Leucocytes a. Phagocytes Function: They engulf and digest invading bacteria and viruses. Structure: -their shape may vary -they move using pseudopodia -its nucleus is lobed shape -they are formed in...