Endocrine system gonads, have secondary endocrine functions. For example, the kidney secretes endocrine hormones such as erythropoietin and renin. Hormones can consist of either amino acid complexes, steroids, eicosanoids, leukotrienes, or prostaglandins. The endocrine system is in contrast to the exocrine system, which secretes its hormones to the outside of the body using ducts. As opposed to endocrine factors that travel considerably longer distances via the circulatory system, other signaling molecules, such as paracrine factors involved in paracrine signalling diffuse over a relatively short distance. The word "endocrine" derives via New Latin from the Greek words , "endon", "inside, within," and ,
If We Are the Body Kansas City, Missouri. The band performed it at their February 16, 2012 concert at Van Andel Arena in Grand Rapids, Michigan. Credits taken from Allmusic. If We Are the Body "If We Are the Body" is a song recorded by Christian rock band Casting Crowns. Written by Mark Hall and produced by Mark A. Miller and Steven Curtis Chapman, it was released as the lead single from the band's 2003 self-titled debut album through Beach Street Records on July 26, 2003. The song, originally written by Hall as a "teaching tool" for his youth group, is a CCM and acoustic