Answer:
what do you need help with?
Explanation:
Answer: 1: allergic disorders
2. Immunodeficiency disorders
3. Autoimmune disorders
4. Cancers
<span>Lymph nodes are abundant organs comprising a major part of the lymphatic system, and can indeed be found throughout the body, connected by the lymphatic vessels. However, the highest concentration of clustering occurs within in the inguinal region, cervical region, and axillary region.</span>
Catalyst maybe ( lower activation energy).
First one is digestive system
second one is lion fish
i dont know the third one. im sorry