Free fatty acid receptor 1 high abundance. FFA1 receptors are present over the entire brain, but in highest numbers in the medulla oblongata and the substantia nigra. Recent studies have also observed that FFA1 was present in the olfactory bulb, striatum, hippocampus, midbrain, hypothalamus, cerebellum, cerebral cortex and in the spinal cord. Fatty acids play an important role in normal brain development as well as maintaining proper neuronal function. It has been found that certain fatty acids that are in abundance in the brain may be linked with FFA1. These fatty acids likely activate FFA1, inducing an intracellular response. It has been found that docosahexaenoic
If We Are the Body not showing them there is a way?" "If We Are the Body" challenges the church to welcome outsiders and to "get more visibly involved in changing this world". "If We Are the Body" received positive reviews from music critics. Kim Jones of About.com noted it as a "highlight" from "Casting Crowns". Andy Argyrakis of "CCM Magazine" said that the song "commands attention" of lead singer Mark Hall. Belinda S. Ayers of Christian Broadcasting Network described it as "powerful" and "catchy". Steve Best of "Cross Rhythms" felt it was an example of Casting Crowns being "more... than rock bluster". Russ Breimeier