Why We Vomit. In many cases, throwing up is a protective reflex to rid your body of viruses, bacteria, or parasites in your digestive system. âIf you were to eat something that was spoiled or poisoned, your body would get a signal that something was wrong,â says Bruno Chumpitazi, MD, of Texas Childrenâs Hospital.
Parafilm is ideal for the scientific laboratory because it is a thermoplastic, self-sealing film. It holds moisture loss to a minimum. It offers excellent protection for the contents of tubes, flasks, and petri dishes.
Capsules, slime layers, and glycocalyx protect bacteria from engulfment by phagocytes and from an attack by antimicrobial agents. Biofilms are found in nature and in many medical situations. Biofilms are colonies of bacteria that are made up of capsule material and consists of a mixture of bacteria that live in that matrix of slime which is secreted by one of the bacterial members.