Questions: Copyright McGraw Hill LLC.

Transcript text: Copyright @ McGraw Hill LLC.

Solution

Solution Steps

Step 1: Identify the Components

The diagram shows the process of reabsorption in the nephron, specifically in the proximal tubule. Key components include the glomerular capsule, glomerulus, glomerular filtrate, proximal tubule, peritubular capillary, and various ions (Na+, HCO3-, Cl-).

Step 2: Understand the Process

The process depicted involves the movement of substances from the glomerular filtrate in the proximal tubule back into the blood in the peritubular capillary. This is a key part of kidney function, where essential ions and molecules are reabsorbed into the bloodstream.

Step 3: Identify the Direction of Movement

The arrows indicate the direction of movement of ions:

Na+ (Sodium) is reabsorbed from the proximal tubule into the peritubular capillary.
HCO3- (Bicarbonate) is reabsorbed from the proximal tubule into the peritubular capillary.
Cl- (Chloride) is reabsorbed from the proximal tubule into the peritubular capillary.

Final Answer

The diagram illustrates the reabsorption of Na+, HCO3-, and Cl- from the proximal tubule into the peritubular capillary, which is a crucial process in maintaining the body's electrolyte balance and overall homeostasis.

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