Answer:
In cases of immune system overactivity, the body attacks and damages its own tissues (autoimmune diseases). Immune deficiency diseases decrease the body's ability to fight invaders, causing vulnerability to infections.
Explanation:
1: UV wave.
2: green.
(I hope this helped.)
About 37.2 trillion cells present in the body of an adult human.
Answer:
jayfeather loved halfmoon but it was forbiden
Explanation: