Match the following
1
brain is the main organ of this system
digestive system
2. produces hormones
endocrine system
excretory system
circulatory system
muscular system
3 breaks food down for body's use
4 sends nutrients to all the body's cells
5. provides structure for the body
& provides support and movement
7. kidneys are the main organs of this system
8 lungs are the primary organs of this system
skeletal system
respiratory system
nervous system