The immune system is the bodies defense against invaders and is located in all body tissues with concentration in the mucosal surfaces and skin.
Answer:
A
Explanation:
The littoral zone is the near shore area where sunlight penetrates all the way to the sediment and allows aquatic plants to grow
Answer:
The moon isn't visible on the left side. There is a shadow on the left side on the sphere. The light or sun is casting down reflecting light of the right side of each surface.
Explanation:
I think the answer is renal medullae
I think it’s IBi
i’m sorry if it’s wrong
