1) It is a process by which food is changed into simpler substances that can be used by the body cells to produce energy. a) Ingestion b) Peristalsis c) Digestion d) Elimination 2) In which part of the digestive system does digestion start? a) esophagus b) stomach c) small intestine d) mouth 3) When does food become useful to the body? When it reaches the _______. a) body cells b) intestine c) blood d) stomach 4) It is a J-shaped organ that receives chewed food from the esophagus. a) incisors b) stomach c) esophagus d) mouth 5) It is a kind of tooth that is used for CUTTING. a) premolars and molars b) canines c) incisors d) esophagus 6) The ______ is also known as the WINDPIPE. a) larynx b) pharynx c) trachea d) epiglottis 7) It is the common passageway for food and air. a) larynx b) trachea c) pharynx d) diaphragm e) lung f) nasal cavity 8) (TRUE OR FALSE) During inhalation, the diaphragm contracts or moves down. a) TRUE b) FALSE

SCIENCE QUIZ

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