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.
Two prime candidates for the most dangerously venomous spiders to people are the âBrazilian wandering spiderâ (Phoneutria spp.) and the âSydney funnelweb spiderâ (Atrax robustus). The âBrazilian wandering spider,â from Central and South America, can be very defensive when threatened.