The anti-M blood antigen antibody is an unpredictable antibody that is an uncommon cause of hemolytic disease in newborns, according to the National Institutes of Health. Though studies show that the anti-M antibody has ... More » Science Human Anatomy Blood

Produced by the body's immune system, antibodies, also known as immunoglobulins, are Y-shaped proteins that help identify and remove antigens and other foreign targets such as bacteria and viruses. An antigen is a substa... More » Science Biology Molecular Biology & DNA

An antibody is a protein that the immune system sends out as a response to antigens, which are harmful substances, explains MedlinePlus. There are different types of antibodies; and, they each fight against only one part... More » Science Human Anatomy
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The four major blood groups are group A, group B, group AB and group O. Group A has the A antigen in the red cells and A antibody in plasma, and B only has B antigens and B anti-bodies in the plasma. Group AB has both A ... More » Science Human Anatomy Blood

The heart is the first organ to receive freshly oxygenated blood from the lungs, explains the National Institute of Health. The heart has two sides. The right side pumps blood to the lungs to pick up oxygen and the left ... More » Science Human Anatomy Blood

Blood is responsible for transporting oxygen, carbon dioxide, nutrients, hormones and proteins in the body, according to KidsHealth. The blood also carries glucose, ions, amino acids and waste products, such as urea, thr... More » Science Human Anatomy Blood

Genetic mutations, both inherited and acquired, are one primary cause of high red blood cell counts, also known as polycythemia, says MedicineNet. Sleep apnea and tumors are secondary causes of polycythemia. More » Science Human Anatomy Blood