Under the age of 6. You are welcome.
D. eat a variety of foods
D) an identical twin because they are basically the same person.
Answer:
The immune system works to keep germs out of the body and destroy any that get in. The immune system is made up of a complex network of cells and organs that protect the body from infection. Lymph nodes are part of the immune system. They release lymphocytes, a certain type of white blood cell that fights infection.
Explanation:n . Hope this helps .
