Proteins are organic compounds that consist of carbon, hydrogen, oxygen, nitrogen, and, in some cases, sulfur. They are made up of repeating units called amino acids. They provide cells with energy, form tissues, speed up chemical reactions throughout the body, and perform many other cellular functions.
Answer:
It supplied silt to the nearby farmland
The ependymal cells is the answer. One of the four types of
neuroglia in the center of nervous system is ependymal, this is the reason of
production of cerebrospinal fluid, this cause to serve as a reservoir for
neuroregeneration, also this is made of thin neuroectodermal linange to
ventricular system of the brain and the central canal of the spinal cord, made
up of ependymal cells
