1. _______ filter the blood to excrete harmful substances in the form of urine.   Kidneys   Lungs   Urinary bladder   Endocrine Glands   Hint Half-n-half Clue   2. Which of the following is not a function of the large intestine? A. Absorption of water B. Formation of feces C. Churning of food D. Absorption of salts   A   B   C    D   Half-n-half Clue   3. 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   4. What is the name of the sac-like structure which stores urine?   Urinary Bladder   Ureter   Kidney   Stomach   Half-n-half Clue   5. Which type of teeth are used for tearing the food?   Canines   Molars   Premolars   Incisors   Half-n-half Clue   6. Bile is secreted by the   liver   gall bladder   pancreas   small intestine   Half-n-half Clue   7. 'C' shaped rings of cartilage are present in the   Trachea   Esophagus   Ureter   Intestines   Half-n-half Clue