What are abiotic and biotic factors?

What does all of the organ system in a human form

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.