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The ventricles receive action potentials from the ______.

The __________ is responsible for controlling the normal rhythmic cycle of breathing.

The serum protein electrophoresis for a patient is shown below.  Total protein is 9.2 g/dL and Albumin is 4.5 g/dLThis pattern indicates:

Hemoglobin contains _____, a protein combined with an iron-containing pigment called _____.

The enzyme catalyzing the hydrolysis of triglycerides is __________.

The SA node is located in the ______.

Which of the following structures allow the exchange of gases between the inhaled air and the blood?

A large majority of the proteins found in plasma are produced by the ______.

Excess levels of blood K+______.

________ are large phagocytic, pathogen-destroying cells in body tissues.