1. Which is the largest organ in the human body?   large intestine   small intestine   pancreas   liver   Hint Half-n-half Clue   2. Which of the following prevents food from entering the trachea (wind pipe)?   pharynx   epiglottis   larynx   glottis   Half-n-half Clue   3. A tooth is made up of a solid bony tissue known as _______.   crown   root   dentine   enamel   Half-n-half Clue   4. The mucus in the stomach protects the stomach tissues from the action of enzymes.   True   False   5. Which is not a part of the large intestine?   rectum   colon   caecum   ileum   Half-n-half Clue   6. The surface of the crown of the tooth is covered with a strong protective layer known as the _______.   cavity   enamel   root   dentine   Half-n-half Clue   7. Which is not a part of the small intestine?   caecum   jejunum   duodenum   ileum   Half-n-half Clue