When a Class Declares an Entire Class as Its Friend

question 5

True/False

When a class declares an entire class as its friend, the friendship status is reciprocal. That is, each class's member functions have free access to the other's private members.

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Definitions:

Right Ventricular Systole

The phase of the cardiac cycle during which the right ventricle of the heart contracts and pumps deoxygenated blood into the pulmonary arteries leading to the lungs.

Pulmonary Trunk

The major blood vessel that carries blood from the right ventricle of the heart to the lungs for oxygenation.

Pulmonary Veins

The veins that return oxygenated blood from the lungs to the left atrium of the heart, unlike most veins which carry deoxygenated blood.

Blood Pressure

The force exerted by circulating blood upon the walls of blood vessels, measured as systolic and diastolic pressures.