Answer:
We convert potential energy that's stored within our food (measured in Calories or kcals) into three major “destinations”: work, heat and storage
According to the research, the p wave on an electrocardiogram (ecg) represents the first wave of the cardiac cycle which is the atrial electrical depolarization.
<h3>What is an electrocardiogram?</h3>
It is the graph that records the electrical activity of the heart and allows the diagnosis of different cardiovascular diseases and helps to know the state of the heart muscle.
It presents a P wave (corresponding to atrial depolarization), a QRS complex (ventricular depolarization), and a T wave (ventricular repolarization).
Therefore, we can conclude that according to the research, the p wave on an electrocardiogram (ecg) represents the first wave of the cardiac cycle which is the atrial electrical depolarization.
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To be honest, I'm not that sure on which one it is, but given choices lead me to think is the nervous system, probably because that's the reason our bodies are functioning, and compared to all other systems, the brain and the nervous system are needed for survival, otherwise you wouldn't be living.
An injury in which a nail is partly or completely torn loose is known as A nail Avulsion
<h3>Meaning of Nail Avulsion</h3>
Avulsion can be defined as a condition where a body part is taken off by force either through surgery or an accident that causes pain.
Nail Avulsion can be defined as the removal of a nail from its nail bed either by force or by surgical operations.
In conclusion, An injury in which a nail is partly or completely torn loose is known as A nail Avulsion
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