1. 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   Hint Half-n-half Clue   2. Epiglottis guards the opening of larynx into pharynx.   True   False   3. Voice box is the name given to the   larynx   trachea   pharynx   oral cavity   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. Larger dust particles in the inhaled air are trapped in the   nose   pharynx   epiglottis   larynx   Half-n-half Clue   6. Gastric juice is secreted by   stomach   liver   small intestine   pancreas   Half-n-half Clue   7. _______ filter the blood to excrete harmful substances in the form of urine.   Kidneys   Lungs   Urinary bladder   Endocrine Glands   Half-n-half Clue   Skip to Diagrammatic repr... ⇒