1) Carries materials through out the body; Major organs heart, blood vessels a) Respiratory b) Muscular c) Nervous d) Circulatory 2) O2 is taken in & CO2 is released; Major organs nose, trachea, bronchi, lungs, diaphragm a) Muscular b) Integumentary c) Respiratory d) Excretory 3) Breaks down food & absorbs nutrients; Major organs mouth, stomach, liver, small intestine, large intestine, rectum a) Integumentary b) Digestive c) Nervous d) Excretory 4) Helps rid the body of wastes, toxins; Major organs kidneys, ureters, bladder a) Excretory b) Skeletal c) Digestive d) Lymphatic 5) Carry messages throughout the body; directs behavior, movement, and processes; Major organs brain, spinal cord, peripheral nerves a) Nervous b) Digestive c) Endocrine d) Excretory 6) Supports the body & enables it to move; Major organs muscles a) Integumentary b) Circulatory c) Muscular d) Respiratory 7) Protect and supports the body; allows movement, protects organs, produces blood cells; Major organs bones a) Skeletal b) Muscular c) Digestive d) Respiratory 8) Covers and protects the body; Major organ skin, hair and nails a) Respiratory b) Integumentary c) Digestive d) Circulatory 9) Regulates and controls through chemical signals (hormones); Major organs glands (pituitary, adrenal, thyroid) a) Lymphatic b) Endocrine c) Respiratory d) Digestive 10) Fights infection & produces antibodies; Major organs lymph nodes, tonsils a) Muscular b) Lymphatic c) Endocrine d) Excretory

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