All cellular activities in living organisms use ATP as a source of energy. This is through cellular respiration, which is absolutely essential to sustaining life.
Hypothalamus. Hypothalamus, besides controlling hunger, also, controls thirst, body temperature, sleep, emotional, physical, instinctive and reproductive behavior. Through pituitary is associated whit endocrine system, which is one of most important functions of hypothalamus.
The answer is 3). Single-celled organisms, despite containing a single cell, need to live and thrive just as well as multicelled organisms. It would make sense for both to have structures to allow them to perform life processes
Answer:
they exhale it
Explanation:
they want to get the waste of of their bodies