• 2022-06-11
    Which is correct about the villus of small intestine()
    A: It can swing
    B: It is composed of simple columnar epithelium
    C: It is formed by mucosa and submucosa protruding into enteric cavity
    D: It is related with transportation of water and electrolyte
    E: It is formed by simple columnar epithelium and lamina propria
    protruding into enteric cavity