Which of the Following Statements Are True of the Large

Which of the following statements are true of the large intestine (Select all that apply) ?

A) The appendix is a small,dead-end extension of the ascending colon.
B) An important function of the colon is the absorption of water.
C) The splenic flexure is the junction of the transverse colon and the descending colon.
D) The internal anal sphincter is smooth muscle that surrounds the anus.
E) The external anal sphincter is striated muscle that contracts to permit defecation.
F) The normal flora of the colon produce vitamins and inhibit the growth of pathogens.
G) The stimulus for the defecation reflex is contraction of the sigmoid colon.
H) The ileocecal valve prevents backup of feces into the small intestine.