1. Incisors are used for _______ the food.   cutting   chewing   tearing   grinding   Hint Half-n-half Clue   2. True or false: CO2 is formed as a waste product during respiration.   True   False   3. Which of the following helps in digestion? A. Pancreatic juice B. Saliva C. Bile D. All of these   A   B    C   D   Half-n-half Clue   4. Voice box is the name given to the   larynx   trachea   pharynx   oral cavity   Half-n-half Clue   5. _______ filter the blood to excrete harmful substances in the form of urine.   Kidneys   Lungs   Urinary bladder   Endocrine Glands   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. Which type of teeth are used for tearing the food?   Canines   Molars   Premolars   Incisors   Half-n-half Clue   Skip to Diagrammatic repr... ⇒