Tabulate two differences between renal artery and renal vein.

State the process by which chemicals from the blood enter the dialysing fluid?

Name the substance which is present in the blood, but not in the urine of a healthy person?

What is osmoregulation? Name the organs of osmoregulation in:

(i) Human

(ii) Amoeba

Explain how the blood system carries waste products from liver to the kidneys?