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The filtering units within the kidney are called nephrons.
Ultra-filtration within the kidney forces the waste product out, during the process some smaller useful material are also forced out into urine. These are then reabsorbed, this is called selective re-absorption.
glomerulus is the clusture of cappillaries it is present along with cupshaped capsule called bowman's capsule or it is collectively called renal corpuscle
Porifera are sponges, and many animals eat sponges, including nudibranchs and some specialized fish.
Robert Hooke in 1665 found microscopic spots contained within a slice of cork. He called these spots cells.
Tubules are the tubes running through each little (microscopic) nephrons within each kidney that aid in filtering and collecting of the waste products, and then depending on how much water is in the body it either can reabsorb more water or more salt depending on your electrolyte balance. :-D
organelles
organelles
false. they are folds within the bladder
what is low-attentuation within anterior aspect of right kidney
Cells within the kidney called interstitial fibroblasts produce a substance called erythropoietin, EPO for short, that stimulates production of red blood cells. They doesn't secrete or produce red blood cells themselves. Red blood cells are produced within bone marrow.
within cytoplasm often suspended in a system of microscopic fibers