Relier Pairs Human Body Relative SystemsVersion en ligne Body Systems par John Schubert 1 This body system helps get liquid waste out of the body. 2 3 4 This system sends hormones and messages from the brain 5 6 This body system is designed to fight infectious diseases 7 This system sends messages to the brain 8 Immune System Picture Urinary System Picture Endocrine System Picture Endocrine System Nervous System Picture Immune System Nervous System Urinary System