A typical person has around 4-5 litres of blood. The blood is the transport system by which oxygen and nutrients reach the body's cells, and waste materials are carried away. In addition, blood carries substances called hormones, which control body processes, and antibodies to fight invading germs.
Also known as vitamin H, biotin is one of the B complex vitamins that help the body convert food into energy. The word biotin comes from the ancient Greek word âbiotos,â which means âlifeâ or âsustenance.â B vitamins, and specifically biotin, help keep your skin, hair, eyes, liver, and nervous system healthy.Biotin is also a crucial nutrient during pregnancy, as itâs important for embryonic growth.he word biotin comes from the ancient Greek word âbiotos,â which means âlifeâ or âsustenance.â B vitamins, and specifically biotin, help keep your skin, hair, eyes, liver, and nervous system healthy.
1 Biotin promotes growth of existing hair, produces keratin, and works to increase hairâs elasticity. 2  Niacin (Vitamin B3) promotes blood circulation to the scalp.  Pantothenic Acid (Vitamin B5) strengthens and nourishes the hair follicle.