Shown below is a section through the mammalian nephron. a) Name the structures labelled: A N b) Name all structures in a nephron which are normally present in...

      

Shown below is a section through the mammalian nephron.
52720191027.png
a) Name the structures labelled:
A
N
b) Name all structures in a nephron which are normally present in the cortex region of kidney.
c) Which region in the nephron deals with conservation of body water.
d) Name one hormone that has an effect on part labelled X.
e) How is part labelled N adapted to its function.

  

Answers


sharon
a) A – Afferent arteriole.
N – Proximal convoluted tubule.
b). Bowman’s capsule, proximnal convoluted tubule, distal convoluted tubule.
c). Loop of Henle.
d). Antidiuretic hormone / vasopresin.
e) i). Cell lining tubule have numerous mitochondria which provide energy for reabsorption.
iii). Tubule long / highly coiled to increase surface area.
iv). Coiling of tubule reduce speed of flow of filtrate to allow more time for efficient reabsorption.
v). Tubule is well supplied with blood capillaries for efficient transport / reabsorption.
sharon kalunda answered the question on May 27, 2019 at 07:30


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