the kidney's.
No, a nephron is not an organ. It is the basic structural and functional unit of the kidney and filters excess salt and water from the blood. The kidney is the main organ of the urinary system. Without a kidney, your body cannot create urine and you blood must be filtered with a dialysis machine.
your lungs
The main organ of the blood transport system in a mammal is the heart.
The Kidney filters the blood.
Both kidneys and the liver, along with many lymph nodes.
heart, blood and blood vessels
the heart is the main circulatory organ of the frog
Heart
The main organ for the removal of hormones from the blood is the liver. The liver processes hormones and breaks them down so they can be excreted from the body.
heart is the main organ that pumps the blood to circulate all over the body.
When a person is receiving an organ transplant, it is necessary for the receiving organ to come from a person with a blood type similar or complimentary to the receiver's blood type. This helps ensure that the organ will not be rejected by the receiver's body.
in the human immune system the main function of the is filtering blood