Q279) Which of the following statements are correct?
(a) Frenulum is the fold by which the tongue is attached to the floor of the mouth or oral cavity.
(b) Lower surface of the tongue has little projections which bears taste buds.
(c) Pharynx is the common passage for food and air.
(d) Sphincter of Oddi guards and regulates the opening of stomach into duodenum.
(e) Colon has three parts- an ascending, a transverse and a descending part and later opens into the rectum.