At Westonci.ca, we make it easy to get the answers you need from a community of informed and experienced contributors. Discover a wealth of knowledge from experts across different disciplines on our comprehensive Q&A platform. Our platform offers a seamless experience for finding reliable answers from a network of knowledgeable professionals.

Mr. Cardono has been a patient in your office for several years. While you update his health history, Mr. Cardono states that his immunity must be down because he recently has had several severe sore throats and colds. Which body system is responsible for the decline in his immunity?