| A | B |
|---|
| protection of internal organs | skeletal |
| hematopoiesis | skeletal |
| calcium storage | skeletal |
| movement | muscular |
| first line of protection | integumentary |
| temperature regulation | integumentary |
| reception of stimuli | integumentary |
| controls & coordinates body system activities | nervous |
| command center | central nervous system |
| connects CNS to every body part | peripheral nervous system |
| secretes hormones | endocrine |
| affects metabolism, growth, & development | endocrine |
| break down food for body cells to use | digestive |
| eliminate waste products | digestive |
| reproduce | reproductive |
| filter and eliminate waste from blood | urinary |
| create and eliminate urine | urinary |
| exchange of gases between blood and air | respiratory |
| breathing | external respiration |
| gas exchange at capillary level in lungs | internal respiration |
