circulatory system - transports oxygen, hormones, nutrients, waste, etc. throughout the body, digestive system - breaks down food into smaller, useable pieces, respiratory system - brings oxygen into the body and expels carbon dioxide from the body, skeletal system - creates red blood cells, protects the body, and provides the body's framework, muscular system - aids in movement of the body and organs, immune system - attacks foreign invaders and protects the body, nervous system - sends signals and transmits information throughout the body, endocrine system - secretes hormones, regulates body temperature, maintains homeostasis, reproductive system - creates gametes; allows for the creation of offspring, integumentary system - hair, skin, nails; the body's first line of defense from the outside world, excretory system - allows for waste like urine to exit the body,

Body System Functions

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