Chest pain that is caused by restricted blood flow to the heart is:

Atrioventricular Node is located beneath the endocardium of the right atrium, the AV node transmits electrical impulses to the bundle of His.

Neuromuscular tissue is capable of causing cardiac muscle to contract rhythmically. This tissue comprises the sinoatrial node, the atrioventricular node, and the atrioventricular bundle.

Each tooth contains 3 main portions: the crown, the root, and the neck. 

Which of the following is NOT a function of the liver.   

________ allows muscles to change shape to become shorter and thicker.

Match the following muscles and tendons to their actions or functions. 

Name the muscle that rotates and laterally flexes the neck.

The heart’s electrical activity can be recorded by an ______________, which provides valuable information in diagnosing cardiac abnormalities, such as myocardial damage and arrhythmias.

Due to availability of the track, a coach testing her athletes’ 5K time must test them in the early afternoon, which is the hottest part of the day in their location. Which of the following guidelines is LEAST effective for minimizing health risks and obtaining accurate results?