The main reasons behind the terrestrial animals being ureotelic and uricotelic is as follows:
(1) Due to the high toxicity of ammonia, the body of terrestrial animals converts it into less toxic forms like urea and uric acid.
(2) Terrestrial animals conserve water to regulate the body temperature and ammonia is water-soluble, so to resist the continuous elimination of water it gets converted into less water-soluble urea and uric acid.
Answered by Abhisek | 1 year agoFill in the gaps:
(a) Ascending limb of Henle’s loop is ______ to water whereas the descending limb is _______ to it.
(b) Reabsorption of water from distal parts of the tubules is facilitated by hormone _______.
(c) Dialysis fluid contain all the constituents as in plasma except _______.
(d) A healthy adult human excretes (on an average) _______ gm of urea/day
Name the following:
1. A chordate animal having flame cells as excretory structures.
2. Cortical portions projecting between the medullary pyramids in the human kidney.
3. A loop of capillary running parallel to Henle’s loop.
What is the significance of juxtaglomerular apparatus(JGA) in kidney function?
What is meant by the term osmoregulation?
Match the items of Column I with those of column II:
| Column I | Column II |
| (a) Ammonotelism | (i) Birds |
| (b) Bowman’s capsule | (ii) Water reabsorption |
| (c) Micturition | (iii) Bony fish |
| (d) Uricotelism | (iv) Urinary bladder |
| (e) ADH | (v) Renal tubule |