The Valve Located Between the Left Atrium and the Left

question 20

Multiple Choice

The valve located between the left atrium and the left ventricle is the:

• A) tricuspid valve.
• B) pulmonic valve.
• C) aortic valve.
• D) mitral valve.

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Definitions:

Osmosis

The movement of water molecules through a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration to equalize the concentrations on both sides of the membrane.

Active Transport

Transport of molecules across the membrane of a cell from areas where they are less concentrated to areas where they are more concentrated, which demands energy.

ATP

Adenosine triphosphate, a molecule that stores and transfers energy within cells, facilitating various biochemical processes.

Concentration Gradient

A difference in the concentration of a substance across a distance, which drives the passive movement of particles from an area of high to low concentration.