flow chart of double circulation and urine formation in kidney
Answers
Double circulation -
The Blood which is deoxygenated comes from Vena cava of upper body and lower body to right atrium of the heart and pumps to relax and passes through right ventricle and get pumped from pulmonary artries to the lungs for oxygenation .
The Blood which is oxygented comes from lungs which was pumped in the heart by pulmonary veins to the left atrium when it is contract and then it is relax and passed to left ventricle and get pumped out through Aorta to whole body part .
In this process where the blood flow twice in the heart in one contraction.
This we called Double circulation.
Kidney is located under the abdominal cavity . Kidney is main organ of the exertion. Kidney is main filtrate to produce urine.
As kidney consists large numbers of nephrons which is basic unit filtrate in the kidney.
When deoxygenated blood came to kidney in nephron in Bowman's capsules in which it contains urea and uric acid which is very harmful . It is necessary to separate from blood.
The Blood goes to Collecting tube where the water absorption takes place .