sistema

the solar system consists of the sun and the planets orbiting it.

we need to update the operating system on all company computers.

the subway system in this city is efficient and easy to use.

the alarm system went off in the middle of the night.

our digestive system breaks down food into nutrients.

they implemented a new filing system to organize documents better.

the immune system protects the body against infections.

this audio system produces high-quality surround sound.

the legal system ensures that laws are applied fairly.

the navigation system calculated the fastest route home.

the irrigation system waters the crops automatically every morning.

the metric system is used for measurements in most countries.