Answer:
42
Explanation:
PTP is Post transfusion Purpura which is a delayed adverse reaction to blood or platelet transfusion. The human body has alloantibodies which resists any new intake of blood. The immune system need to be slow down and these antibodies are paused when performing any surgery or when platelets infusion takes place.
Answer:
gas and vitamin K
Explanation:
The term gut microbiota refers to microorganisms such as, for example, bacteria, fungi, etc., that live in the gastrointestinal (GI) tract of humans. In the intestine, there are lactic acid bacteria that are known to synthesize vitamin K2 (also known as menaquinone). Moreover, there are GI bacteria that play roles in the metabolism of bile acids and sterols. Finally, intestinal bacteria from a group named Proteobacteria produce gas, this group is especially in the guts of colicky babies, where cause pain and lead to crying.
It's due to the increased production of Melanin that helps block UV light
