The pancreas / Ë p Ã¦ Å k r i É s / is a glandular organ in the digestive system and endocrine system of vertebrates. In humans, it is located in the abdominal cavity behind the stomach. It is an endocrine gland producing several important hormones, including insulin, glucagon, somatostatin, and pancreatic polypeptide, all of which circulate in the blood.
A vinagarroon is an arachnid. Vinegaroon's are not spiders. They are related to spiders and belong to the class Arachnida, but have their own order called: Thelyphonida.
The Black widow spider is one of the most poisonous and dangerous spiders in North America. They are usually identified by their black color and red marking on the underside of their abdomen, also called the opisthosoma.This red marking is usually shaped like an hour glass.They Are Arachnids.he female black widow spider is darker and larger than the male. Where the female is usually dark black, the male is often dark brown and doesn't have as bright red of an hour glass shape on the abdomen. The female can grow to about Â½ an inch long body and 1 Â½ inch leg span.