NX =

question 59

Multiple Choice

NX =

• A)C + I + G.
• B)(S + I)- (T + G).
• C)(G - T)+ (I - S).
• D)(S - I)+ (G - T).
• E)(T - G)+ (S - I).

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Definitions:

Active Transport

The process where molecules travel through a cellular membrane from an area of lesser concentration to an area of greater concentration, necessitating the use of energy.

Absorption

The process by which nutrients, drugs, and other substances are taken up from the gastrointestinal tract into the bloodstream.

Mastication

The act of grinding food with teeth before swallowing and digesting it.

Muscular Tunic

A layer commonly found in various hollow organs, like the gastrointestinal tract and bladder, composed of smooth or striated muscle that helps in movement or the maintenance of tone.