1) which organ is not part of the respiratory system? a) Nose b) trachea c) pancreas 2) What is the main function of the respiratory system? a) take in oxygen and exhale waste like carbon dioxide b) move nutrients throughout the body c) take in carbon dioxide and exhale oxygen 3) Where does digestion start? a) stomach b) mouth c) esophagus 4) What is the main job of the digestive system? a) pump blood throughout the body b) take in oxygen and exhale waste like caron dioxide c) break down foods into nutrients that can be used by the body 5) Which is the longest bone in human body? a) Spine b) Femur c) Clavicle 6) A muscular organ that pumps blood throughout the body. a) Lungs b) Liver c) Heart 7) The muscles that can not work with out any command are called a) Voluntary Muscles b) Involuntary Muscles 8) Q.  Name the organ shown in the picture. a) Small Intestine b) Esophagus c) Large intestine 9) What does the pancreas produce? a) Bile b) tissues c) Digestive juices 10) Which organ FINISHES digestion of food? a) Small intestine b) Rectum c) Large Intestine

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