Tachycardia is a condition when the heart rate is greater than 100 beats per min at rest. The electrocardiogram is a diagnostic tool that measures and records the electrical activity of the heart. Bradycardia on the other hand is when the heart rate is slower than normal. The Tachycardia and bradycardia can arise from either the SA node or from other areas of the cardiac.
I don’t understand the question but if I can make a correct inference, they have thorns to protect themselves from predators.
Trophic pyramid, also called an energy pyramid, showing the progression of food energy. The pyramid base contains producers, organisms that make their own food from inorganic substances. ... Thus, the higher the trophic level on the pyramid, the lower the amount of available energy.
<h2>Receptors for hearing are in the cochlea; receptors for balance are in the vestibule.</h2>
Hope this will help....
Answer:
Geographers use maps and data to depict relationships of time, space, and scale. Geographers analyze relationships among and between places to reveal important spatial patterns. Geographers analyze complex issues and relationships with a distinctively spatial perspective.
Explanation:
hope this helps!
