एक ______ कोई भी ऐसा पदार्थ है जो आपके प्रतिरक्षा तंत्र को इसके खिलाफ एंटीबॉडी बनाने के लिए प्रेरित करता है।

Which of the following statements are CORRECT regarding adaptive immunity? Statement A: Adaptive immunity has the ability to specifically recognize and eliminate foreign antigens. Statement B: Immunological memory is a hallmark feature of adaptive immunity.

Which pair of organs represents the primary lymphoid organs responsible for lymphocyte maturation and differentiation in humans?