If S = "Hello,world" (With Exactly One Space Between the Comma

question 2

Short Answer

If s = "hello,world" (with exactly one space between the comma and 'w'),what does s.indexOf(",")return?

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Definitions:

Tight Junctions

Specialized connections between neighboring cells that create a barrier preventing the free passage of substances in the extracellular space between cells.

Endothelial Cells

Cells that line the interior surface of blood vessels and lymphatic vessels, playing a key role in controlling blood pressure and vascular tone.

Astrocyte Glial Cells

Star-shaped glial cells in the brain and spinal cord that perform various functions including providing support and nutrients to neurons, and regulating the composition of the extracellular space.

Endothelial Cells

Endothelial cells line the interior surface of blood vessels and lymphatic vessels, playing a critical role in vascular function, including blood clotting, inflammation control, and formation of new blood vessels.