The Left Lung

question 67

Multiple Choice

The left lung

• A) is supplied entirely by a secondary bronchus.
• B) has a cardiac notch.
• C) has three lobes.
• D) receives oxygenated blood from the heart via the left pulmonary artery.

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Definitions:

System of Equations

A set of equations with the same variables, where the solution must satisfy all the equations in the system simultaneously.

Method of Substitution

A technique used to solve systems of equations by solving one equation for one variable and substituting that expression into the other equation.

System of Equations

A set of equations with the same variables, which are solved together to find a common solution for those variables.

Method of Elimination

A technique used to solve systems of equations by eliminating one of the variables.