When a person jumps out of a moving vehicle, he falls forward due to inertia of motion. One example of Newton's first law in real life is, when you are walking with a glass filled with water, you will notice that the water spills at certain locations when you walk at faster pace. The water inside the glass will remain at rest until you move.

Explanation:

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Which hormone(s) is/are required for facultative water reabsorption in the collecting ducts?

Marta_Voda [28]

ADH hormones are required for facultative water reabsorption in the collecting ducts.

<h3>What about facultative water reabsorption?</h3>

The antidiuretic hormone is the hormone in charge of facultative water reabsorption (ADH).
By enhancing the water permeability of key cells in the collecting duct and the last segment of the distal convoluted tubule, facultative water reabsorption is achieved.
The proximal convoluted tubule is the initial area of the nephron that is in charge of reabsorbing water.
The proximal tubule receives filtered fluid from Bowman's capsule.
Antidiuretic hormone increases the reabsorption of water into the circulation by binding to receptors on cells in the kidney's collecting ducts.
The collecting ducts are essentially impermeable to water in the absence of antidiuretic hormone, and water escapes as urine.
In facultative reabsorption, water is reabsorbed through osmosis because the impact of ADH makes the collecting ducts more permeable to water.

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2 years ago