The cardiovascular and immune
Answer:
The photosynthesis and cellular respiration cycle is used to produce usable energy for plants and other organisms. These processes occur on a molecular level inside the cells of organisms. On this scale, energy-containing molecules are put through metabolic processes that yield energy that can be used right away.
Answer:
Social control is a concept within the disciplines of the social sciences. Social control is described as a certain set of rules and standards in society that keep individuals bound to conventional standards as well as to the use of formalized mechanisms. The Disciplinary model was the forerunner to the control model.
Explanation:
The answer is the endogenous opiate.
The human body naturally produces its own opiates like substances and uses them as neurotransmitters. These substances include endorphins, enkephalins, and dynorphin, often collectively known as endogenous opioids. Endogenous opioids modulate our reactions to painful stimuli.