Here's an amoeba engulfing red blood cells and red and white ... HIV particles budding on the surface of a T cell. Now a new type of electron microscope, a tunnelling electron microscope, has ...

Every year, approximately 1.5 million red blood cell ... where we can keep the cells sterile. Cultured cells in incubator (source: NHSBT). Confocal mircroscopy image of an enucleating reticulocyte.

Multi-celled - where cells differentiate and become specialised to carry out a particular function (e.g. red blood cells carry oxygen) Specialised cells are organised. There are different levels ...