White blood cells, also called leukocytes, are an important part of the body’s immune system. These cells help fight infection, aid in healing from trauma, and assist in recovery from disease.

White blood cells are a crucial component of the immune system. They fight off foreign invaders and help with tissue repair. Red blood cells, which are part of the circulatory system, deliver oxygen ...

Types of blood cell and cell fragments: red blood cells white blood cells platelets This table explains the functions of various blood components. \(\textup{haemoglobin}+\textup{oxygen} ...