In response to changes in systemic blood pressure, the afferent and efferent arterioles in the kidney dilate or contract to maintain _____; this is an example of a(n) _____. Note that this only works if the changes in systemic pressure are _____.

3000+ review questions on anatomy and physiology. 

Anatomy refers to the internal and external structures of the body and their physical relationships, whereas physiology refers to the study of the functions of those structures.