The solar system consists of the sun, planets, and other celestial bodies.

The education system in this country is highly systemic.

The water system in this city is well-maintained.

The binary system is a numerical system that uses only two digits, 0 and 1.

The circulatory system is responsible for transporting blood and lymph throughout the body.

The Copernican system revolutionized our understanding of the universe.

The feudal system was a social and political structure that existed in medieval Europe.

The company implemented a merit system to reward employees based on their performance.

The digestive system is responsible for breaking down food and absorbing nutrients.

The school implemented an honor system for exams, allowing students to take tests without supervision.