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| 1. |
What is the unit of excretion in humans |
| Answer» \tA pair of kidneys, a pair of ureters, a urinary bladder and a urethra constitutes the human excretory system.\tKidneys are present on either side of the backbone in the abdomen.\tKidneys produce urine and urine from kidney passes through the ureters into the urinary bladder and remains stored their until it is released through the urethra.\tUrine is produced to filter out waste products from the blood.\tNephrons are basic structural and functional unit of kidney.\tCluster of thin walled blood capillaries called glomerulus in the nephron filtrate the urine and each cluster is associated with cup shaped end of a tube called Bowman’s capsule.\xa0 | |