Liver is one of the most important organs of our body as it helps in passing out digestive wastes along with other substances like bilirubin, biliverdin, vitamins, etc.
Lungs carry gases from the atmosphere to the inside and remove carbon dioxide from the body with small quantities of water with them. The skin consists of both the sweat gland and sebaceous gland which help in the excretion of sweat in the form of watery fluid with NaCl along with urea and lactic acids. The sebaceous gland helps in the excretion of sterols, hydrocarbons, and waxes.
Fill 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?
Terrestrial animals are generally either ureotelic or uricotelic, not ammonotelic, why?
What is meant by the term osmoregulation?