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Nodal cells contain fast voltage-gated calcium channels.

The following sentence uses which pattern of development? Sometimes, as the Earth orbits the Sun, it comes between the Sun and the Moon. When this happens, the Earth throws a dark shadow across the Moon.

Using synonyms in place of original wording is an appropriate method of paraphrasing.

The following sentence uses which pattern of development? An eclipse is an astrological event that occurs when one object gets in between you and another object and blocks your view.

Cardiac output equals the

Coronary vessels are open when the heart is

Occlusion of blood vessels tends to lead to

At the AV node of the conduction system, the action potential is

Purkinje fibers are small fibers within the atria that conduct impulses rapidly.

The reason it is more appropriate to call an erythrocyte a “formed element” rather than a “cell” is that erythrocytes