1. What is the function of an organ system?
*to work together to do a specific job*
2. Which option is a main type of muscle tissue?
*cardiac*
3. Which list is an organ system?
*the heart, arteries, and veins*
4. Which is most complex?
*organ system*
1. to work together to do a specific job
2. cardiac
3. the heart, arteries, and veins
4. organ system