Excretion is the system by which metabolites and waste products are removed from the body. It is essential for the maintenance of life.basic needsIt is one of theActivities of Daily LifeIt is also. Excretions include urine, feces, sputum, water (as sweat and insensible excretion), menstrual blood, drainage associated with trauma and invasive procedures, and, more broadly, carbon dioxide in exhaled air, but generally refer to urine and feces. These excretions and their balance with food and water intake are important sources of information for inferring the internal state of the body.
From the physiological aspect, the function of the excretory organs and excretions are viewed from the perspective of whether they are physiological and normal. However, excretion also has psychological and social significance, as it is accompanied by physiological feelings of pleasure and discomfort, deeply affects self-esteem, is considered taboo because it is closely related to the genital organs, and has a strong image of being dirty and easily causes feelings of shame. Also,Activities of Daily LifeExcretion as a is affected by culture. Even physiologically normal excretion is associated withpainIf there is a need to excrete, it is difficult to say that this need is being fulfilled. In addition, the excretory behavior is related to physical functions such as mobility, postural retention, and joint movement, as well as to the act of defecation.livingIt is also influenced by style and custom.
Nursing professionals are required to excretehuman beingThe concept of "excretion" is considered to be a basic need and a proof of life, and we assist a person's excretion not only from the physiological aspect, but also from the functional, psychological, social, and cultural aspects of the body.

References
(1) Ruth F. Craven, Constance J. Hirnle (Author)/Tatsuko Fujimura, Takao Nakaki (Supervisors): Basic Nursing Science, Igaku Shoin, 1996.
(2) Noriko Hishinuma: Revised edition of Nursing Morphology and Functional Nursing: Body from the viewpoint of daily living behavior, Japan Nurses Association Press, 2006.
(3) Karen Holland, Jane Jenkins, Jackie Solomon, et al. (eds.)/Midori Kawashima (supervisor): Development of the life behavior nursing model by Roper, Logan, and Tierney, Elsevier Japan, 2006.