Name all the organ systems you would use while sitting down at the lunch table eating a carrot

Digestive, respiratory and circulatory systems

Explanation:

The digestive system will help you to masticate the carrot and will help you to digest it through various enzymes and hormones. The respiratory system will allow the oxidation of food (carrot) which will help in break down of source of energy into energy currency molecules that is ATP. The circulatory system will distribute the nutrients and minerals obtain from carrot to the circulatory system through bloodstream.