Red blood cell Carry oxygen. Contain haemoglobin (rich in iron) to carry oxygen. Biconcave shape to provide a large surface area for the diffusion of oxygen. No nucleus to provide more space for ...

Within every cell (except red blood cells) is a nucleus -- a sphere-like structure separated from the rest of the cell by a membrane. The nucleus acts as the cell's control center, regulating its ...

A young man from Laurelton is the first New Yorker with sickle cell disease to receive Lyfgenia, a life-changing gene therapy treatment that has wiped away the debilitating illness, The Post first ...