Endocrine system observed in all animals with a nervous system and all vertebrates have an hypothalamus-pituitary axis. All vertebrates have a thyroid, which in amphibians is also crucial for transformation of larvae into adult form. All vertebrates have adrenal gland tissue, with mammals unique in having it organized into layers. All vertebrates have some form of a renin–angiotensin axis, and all tetrapods have aldosterone as a primary mineralocorticoid. Endocrine system The endocrine system is a chemical messenger system consisting of hormones, the group of glands of an organism that secrete those hormones directly into the circulatory system to regulate the function of
If We Are the Body 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 rock song. It incorporates the violin, mandolin, and accordion in its arrangement and questions why the Christian church does not minister impartially. "If We Are