4) Which of the following is involved in removing undigested food out of the body? A. excretio B. perspiration C. exhalation D. urination 5) Which of the following is a correct sequence? A. digestion, ingestion, assimilation, absorption B. digestion, ingestion, absorption, assimilation C. ingestion, digestion, assimilation, absorption D. ingestion, digestion, absorption, assimilation​