(CNN) In 2011, the peaceful uprising in Syria spiraled into civil war, quickly becoming one of the bloodiest conflicts in the world today.

You can aid the civilians struggling to survive in Syria -- with food, shelter, medical aid and other basic needs.

The United Nations estimates that 6 million civilians are internally displaced , desperate to find safety in the destroyed cities, facing the constant threat of gunfire in the streets and bombs from the skies.

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More than 5 million Syrians who have fled the country face uncertainty as well.

Syrian refugees also attempt the dangerous crossing of the Mediterranean Sea, seeking refuge in Europe. The United Nations High Commissioner for Refugees (UNHCR) reports that in 2017, 172,301 refugees and migrants from Syria and other countries made this perilous journey. They also report that 3,119 refugees did not survive.

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