1. Organ Systems
Notes

2. A group of organs that work together in performing vital body functions.
Organ System

3. Subsystem of 2 or more organs that work together to transport oxygen, waste, nutrients, hormones, heat, etc... around the body
System made of the following major organs: arteries, veins, heart, and capillaries
2.  Circulatory System 
3.  Circulatory     Subsystems

4. Subsystem of 2 or more organs that work together to remove waste from the body
System made of the following major organs: kidneys, ureters, & bladder
4.  Excretory System function
5.  Excretory System Subsystem

5. Subsystem of 2 or more organs that work together to break down food into absorbable units that enter the blood for distribution to body cells.
System made of the following major organs: mouth, esophagus, stomach, small intestine, and large intestine
6.  Digestive System Function
7.  Digestive System Subsystems

6. Organ Systems Part 2

7. Subsystem of 2 or more organs that work together to bring oxygen into the body and get rid of carbon dioxide.
System made of the following major organs: nose, trachea, and lungs.
8.  Respiratory System Function
9.  Respiratory System Subsystems

8. Subsystem of 2 or more organs that work together to allow the different parts of the body to communicate with one another through nerve impulses.
System made of the following major organs: Brain, nerves, & spinal cord
10. Nervous System function
11.  Nervous Systems Subsystems

9. Subsystem of 2 or more organs that work together to enable movement of the body and internal organs
System made of the following major organs: skeletal muscles like biceps/triceps, smooth muscles like the organs, and cardiac muscles like the heart
12. Muscular System function
13. Muscular System Subsystems