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BIO120_3
Question | Answer |
---|---|
digestive tracts | a series of organs joined in a long twisting tude from the mouth to the anus |
respiratory tracts | a process of breathing whoes purpose is to supply the blood with oxygen |
circulatory system | an organ system that passes nutrients to help fight diseases and stabilize body temperature |
urinary system | an organ system that produces, stores, and eliminates urine |
reproductive system | an organ system within an organism which work together for the purpose of reproduction |
body cavities | any fluid filled space in a multicellular organism |
cardiovascular system | heart and blood vessels |
3 layers of tissue of the heart | endocardium, myocardium and epicardium |