How does the human body benefit from having four types of tissue?

There are four types if tissue which are the Epithelial Tissue, Muscle Tissue, Connective Tissue, and the Nervous tissue. They all play their own roles in the human body which helps it function. The Epithelial tissue is a protective layer that can be found around organs, and can take form as skin! The Muscle tissue is the activation of tension in our muscles. Thirdly, the Connective tissue, is like a filler in our body, so it keeps everything in place. Lastly, Nervous tissue which is found in the nervous system, and it helps regulate and controls bodily functions and activity.

Trenches, example is Marina Trench in the Western Pacific.