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 rich over the poor". "If We Are the Body" was produced by Mark A. Miller and Steven Curtis Chapman. It was recorded at Glow In The Dark Studio in Decatur, Georgia and Zoo Studio in Franklin, Tennessee. The song was engineered by Matt Goldman and Sam Hewitt. "If We Are the Body" is a song with a length of three minutes and 58 seconds. It is set in common time in the key of F minor and has a tempo of 126 beats per minute. Mark Hall's vocal range in the song spans from the low note of B to