Do you know these words?

• うんこ（を）する

  to defecate ; to have a bowel movement

• うんこが　でる

  to defecate ; to have a bowel movement

• がすが　でる

  to pass gas

• べんが　でる

  to have bowel movements

• うんち（を）する

  to defecate ; to have a bowel movement