click below
click below
Normal Size Small Size show me how
body systems
2020 body systems, 7th grade science, ga, Cousins Middle school
| Term | Definition |
|---|---|
| cell | smallest unit of life |
| tissue | similar cells working together |
| organ | similar tissues working together : example heart, kidney |
| organ system | a group of organs that work together, example cardiovascualr, |
| cardiovascuar/circulatory system | moves blood, sends oxygen, food and water |
| excretory system | removes waste |
| respiratory system | exchanges gas (oxygen and carbon dioxide) |
| skeletal system | gives shape and protection |
| reproductive system | makes more of a living thing |
| muscualr system | attach to bones, responsible for movement |
| nervous system | sends messages includes brain and spinal cordq |
| integumentary system | first line of protection, includes hair , skin and nails |
| immune system | helps defend against illness, includes white blood cells |
| endocrine system | uses hormones to control longterm body funcitons |