<span>The nephron is the basic structural and functional unit of the kidney, it regulates the concentration of water and soluble substances like sodium through filtering the blood, reabsorbing what is needed and excreting the rest as urine. Therefore urine should be free of blood as the nephron filters the blood, cleaning it for the body to reuse.</span>
Physical science, the systematic study of the inorganic world, as distinct from the study of the organic world, which is the province of biological science. Physical science is ordinarily thought of as consisting of four broad areas: astronomy, physics, chemistry, and the Earth sciences. Each of these is in turn divided into fields and subfields. This article discusses the historical development—with due attention to the scope, principal concerns, and methods—of the first three of these areas. The Earth sciences are discussed in a separate article. #answerwithquality #BAL
57. Question: Which of the following is not the tissue type.
The answer is Plasma because plasma belongs to the type of liquid. It is the colorless part in milk, blood or lymphs.
A nerve refers to a fiber that transmits sensation to our brain and spinal chord. So this is considered as tissue
An Epithelial is also a tissue, it usually covers the surface of our body.
And lastly the connective is also a tissue that supports and connects our organs.
70% of your body is water
