Phagocytes and neutrophils are both white blood cells that can engulf and consume pathogenic microorganisms. These white blood cells consume pathogenic bacteria to stop them from spreading and help keep the body free of ... More »

White blood cells help fight infections in the body by attacking pathogens, such as bacteria and viruses, after they invade the bloodstream. Healthline states that these cells are formed in the bone marrow and circulate ... More » Science Human Anatomy Blood

The main function of white blood cells is to help protect the human body from infection as well as other foreign materials. White blood cells are also known as leukocytes, and they develop in bone marrow from stem cells. More »

The presence of white blood cells in the urine is typically evidence of a urinary tract infection, according to Urinary tract infections usually involve the bladder or kidneys, although the ureters or ur... More » Science Human Anatomy

B cells are white blood cells that differentiate into plasma B cells and produce antibodies specified for certain antigens. These cells can produce many antibodies in order to eradicate the foreign antigens from the huma... More »

The blood-brain barrier refers to the lining of capillaries in the brain with tightly packed endothelial cells, creating a semi-permeable membrane that blocks many substances from passing out of or into the brain through... More » Science Human Anatomy

The composition of blood consists of various components, such as plasma, white blood cells, red blood cells and platelets. Plasma, which is the fluid component that contains the different blood cells and substances of wh... More »