Muscular system - Allows organisms to move to obtain food for energy, Skeletal system - Gives body shape, Circulatory - Transport Oxygen (O2), nutrients and hormones to the cell, Respiratory - Exchange oxygen and carbon dioxide with the external environment and your internal environment, Digestion - Breaks down food into smaller parts/nutrients (digestion), Excretory systen - Removes waste products from cellular respiration, Endocrine system - Regulates the body's activities using hormones, Nervous system - Receives & responds to information from inside and outside of body, skin - Barrier organ against infection, smooth - ________Muscles help unused food leave the body., cardiac - _________muscles help CO2 leave via the lungs., bones - Provides Protection for vital organs (heart, lungs, stomach, brain, solid - Digestive system removes _______ waste from food and pushes it through intestines and out of the body., urine - Excretory system removes ________, CO2, water & heat, hormones - Endocrine system releases __________ that regulate growth and development, stimulus - Nervous system regulates body functions through __________ & response, Integumentary - Protection from the outside environment and eliminates waste in the form of sweat, kidneys - filters urea, salt and excess, small intestines - absorption of nutrients,

System Functions

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