1. Bile is secreted by the   liver   gall bladder   pancreas   small intestine   Hint Half-n-half Clue   2. True or false: CO2 is formed as a waste product during respiration.   True   False   3. Voice box is the name given to the   larynx   trachea   pharynx   oral cavity   Half-n-half Clue   4. Larger dust particles in the inhaled air are trapped in the   nose   pharynx   epiglottis   larynx   Half-n-half Clue   5. Food descends from the mouth to the stomach through the   esophagus   larynx   small intestine   trachea   Half-n-half Clue   6. Which of the following is not true? A. Heart rate in a healthy human adult is 60-64 beats per minute. B. Oxygen is transported to various parts of the body through blood. C. White blood cells help the body fight against infections. D. Platelets play an important role in clotting of blood.   A   C   B   D   Half-n-half Clue   7. Main function of molars and premolars is _______ the food.   grinding   cutting   circulating   tearing   Half-n-half Clue   Skip to Diagrammatic repr... ⇒