The right answer is Electrocardiography (or Electrocardiogram).
In a typical plot, one can notice five characteristic waves. They are called P, Q, R, S and T. The illustration below shows what a normal electrocardiogram looks like:
* the P wave marks the depolarization during the contraction of the atria;
* the PR interval indicates the time required to transmit the electrical impulse of the sinus node of the atria to the ventricular muscles;
* the QRS complex marks depolarization and ventricular contraction;
* the QT interval corresponds to the global ventricular repolarization;
* T wave refers to the end of ventricular repolarization.
Has mastered a subject and has sufficient experience
Explanation:
A. a measure of heat energy in food
Answer: Zoonosis
Explanation: Rabies, the plague, and West Nile virus are transmitted through a bite from an animal that is infected. Not sure if anthrax is transmitted through a bite as I just know you just need to come in contact with an animal who has it.
West Nile comes from mosquito bites, rabies from any rodent, canine, mammal, ECT, and the plague originally came from rats who had the black plague.
I hope I helped bud.