The kidney filters waste products out of the blood, ultimately forming urine.
The kidneys filter urea, excess water and some mineral salts from the blood. This solution of unwanted products is referred to as urine.
Yes it does.
When your kidneys sense a low blood oxygen level the adrenal gland secretes erythropoietin. This signals the bone marrow to synthesize more red blood cells. Also commonly known as EPO.
Hypoxia