NEPHRONS-The Kidneys' Filtration Units. Nephrons are microscopic tube-like structures in the kidneys that filter the blood and cause wastes to be removed.They are the most basic structures of the kidney's anatomy, and are an integral part of the urinary system.Each kidney contains over one million of them.EPHRONS-The Kidneys' Filtration Units. Nephrons are microscopic tube-like structures in the kidneys that filter the blood and cause wastes to be removed.
A member of the sunfish family, the bluegill is one of the most popular freshwater game fish with anglers because of its tasty flesh and the fact that it puts up a pretty good fight for its size.
Bluegill are a type of sunfish. They are a deep, slab-sided (tall and flat) fish with a small mouth. Color varies with the age and sex of the fish. Water color can also affect the color of a bluegill but. they are generally dark olive-green along the back and lighter on the sides.