“Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP) and then release waste products”
Answer:
i believe the circulatory system
Explanation:
engage in regular physical activity
the others are too specific and dumb
teetfyfudixodldkdjdkxffz
Answer: breaks in the skin