Brain vessels enter the central nervous system through holes in the meningeal layers. The cells in the blood vessel walls are joined tightly to one another, forming the blood–brain barrier, which blocks the passage of many toxins and pathogens (though at the same time blocking antibodies and some drugs, thereby presenting special challenges in treatment of diseases of the brain). Neuroanatomists usually divide the vertebrate brain into six main regions: the telencephalon (cerebral hemispheres), diencephalon (thalamus and hypothalamus), mesencephalon (midbrain), cerebellum, pons, and medulla oblongata. Each of these areas has a complex internal structure. Some parts, such as the cerebral cortex
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