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VashaNatasha [74]
3 years ago
15

A lung cell maintains homeostasis. Of what is this an example?

Biology
2 answers:
hodyreva [135]3 years ago
8 0

The right answer is A: intercellular communication.

An example of intercellular communication is the one between the kidney, liver and lungs to preserve water-soluble homeostasis.

Angiotensinogen, an inactive protein produced by the liver, circulates in the blood. It is the precursor of the active peptides angiotensin I and II, and the only substrate of renin.

In the event of a drop in the pressure in the renal artery, renin (an enzyme sometimes considered as a hormone) is secreted in the kidney by differentiated myoepithelial cells of the arteriole afferent of the juxtaglomerular apparatus. There are also other stimuli promoting renin secretion: decreased natremia in the distal convoluted tubule, ß-agonists, hyperkalemia, PGI2 and stimulation of juxta-glomerular cells by the sympathetic nervous system)

The angiotensinogen is cleaved by the renin and forms a decapeptide called "angiotensin I", inactive.

Angiotensin I will then be converted primarily to angiotensin II by a carboxypeptidase, the angiotensin converting enzyme. This enzyme, secreted by the liver, acts at the pulmonary level.

Nadya [2.5K]3 years ago
8 0

Answer:

The answer is <u><em>Intracellular Communication</em></u>

Explanation:

A lung cell maintains homeostasis is an example of intracellular communication. The concept of intracellular communication includes an anterograde and retrograde signaling network between nucleus and the two organelles, enabling this interactive exchange of information essential for cellular hemostasis.

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