What is another answer on describing how the digestive and urinary and excretory work together to maintain homeostasis?

Food and liquids are processed by the digestive system, after nutrients are absorbed during digestion, the urinary tract excretes waste products. This maintains oxygen homeostasis by making sure that CO2 is removed.

Explanation:

Homeostasis is the process of maintaining the chemical balance in all living things. The foods consumed and processed through the digsetive system and brought into the small intestines wear essential vitamins and bacterias are abosored into the lining; this is critical for the wellbeing of the organism and the continuation of homeostasis.

these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.