1. True or false: Exchange of air takes place in the lungs.   True   False   2. Voice box is the name given to the   larynx   trachea   pharynx   oral cavity   Hint Half-n-half Clue   3. Bile is secreted by the   liver   gall bladder   pancreas   small intestine   Half-n-half Clue   4. Which of the following helps keep the human body cool? A. Respiration B. Mastication C. Perspiration D. Urination   A   B   C    D   Half-n-half Clue   5. What is the name of the sac-like structure which stores urine?   Urinary Bladder   Ureter   Kidney   Stomach   Half-n-half Clue   6. _______ filter the blood to excrete harmful substances in the form of urine.   Kidneys   Lungs   Urinary bladder   Endocrine Glands   Half-n-half Clue   7. Food descends from the mouth to the stomach through the   esophagus   larynx   small intestine   trachea   Half-n-half Clue