Respuesta :
The answer would be both sweating and urinating. So, it would letters b and d.
Answer:
The correct options are b.sweating, c.breathing, and d.urinating.
The main purpose sweating is to maintain the temperature of the body, however, it also helps in removing water, few salts and toxins out of the cells or the body.
Breathing helps in providing oxygen to the cells as well as in removing carbon dioxide out of the body.
Urination is defined as the removal of urine outside the body through the urethra. It helps in removing liquid waste (nitrogenous waste, excess electrolytes, water et cetera) from the body. In addition, it helps in maintaining the volume and composition of the blood, its pH, and levels of electrolytes and metabolites in it.