This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
The thymus gland is very important to each individual 'cause the thymus, certain immune system cells called T lymphocytes develop the ability to identify invading bacteria and viruses. In other words, the thymus gland are responsible for identifying any unknown bacteria in your body and help it get lost inorder your body is free from disease.

Hope it Helps =)