(a) Draw a diagram of excretory system in human beings and label on it: Aorta, vena cava, urinary bladder, urethra.
(b) List two vital functions of the kidney
(a) Human excretory system:
Aorta and vena cava are components of the circulatory system.
(b) The Two Vital Functions Of Kidney:
- Kidney takes wastes out of blood and forms urine.
- Kidney maintain water balance of our body.