Human Body Test Study Guide Questions And Correct Answers

digestive system structures {Ans: mouth, esophagus, stomach, small intestine, liver, pancreas, large intestine, rectum}organisms {Ans: a single individual or living thing}organ system {Ans: a group of organs that work together to perform specific functions}atom {Ans: basic building block of matter}voluntary muscle {Ans: A muscle that is under conscious control}nervous system structures {Ans: brain, spinal cord, nerves}