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Match the correct ECG event to the imagine below

The flow of blood through the heart is unidirectional (one-way), passing by/through multiple chambers, vessels, and valves. Write in order the structures through which oxygen-poor blood would flow through the heart, beginning with the vena cavae and ending with the lungs.

Where is the ventral respiratory group located?

The heart supplies blood to itself via

Name the innermost layer of an artery wall.

This epithelium, located in the respiratory tract, is equipped with __________ on its free surface.

When overloading a binary operator as a member function, the function requires _____ parameter(s).

The precedence of an operator cannot be changed when overloading operators, but its associativity can be changed by swapping operands.

When you overload the + operator to add two objects, the objects do not have to be the same type on both sides of the operator.

The statement ______ means return the contents of the object that called the function.