10 body systems
Skeletal – provides shape; supports and protects organs
Reproductive – Makes sure that humans don’t die out as a species
Excretory – eliminates waste products in the body -> sweat glands, liver, kidney, lungs
Lymphatic – defends the body against infections
Respiratory – takes in O2, expels CO2
Digestive – turns food into NRG and eliminates waste
Circulatory – moves blood -> oxygen from the lungs to the body
Endocrine – secretes / regulates hormones in the body
Nervous – “electrical wiring of the body” sensory neurons and communicates between spinal cord, brain, and peripheries
Muscular - creates movement