The circulatory system is responsible for all of the following except? delivering nutrients throughout the body working with the immune system to protect the body taking the waste products of cellular respiration to the lungs expelling wastes from the body

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.