What is the endocrine system

What is the relation ship between structure and function in an organism

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs