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The "pacemaker" for the heart is usually the: Choose one answer. a. sinoatrial node b. Purkinje fibers c. bundle of His d. atrioventricular bundle
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Asked 5/6/2012 6:12:40 PM
Updated 83 days ago|7/8/2020 12:06:38 PM
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User: The "pacemaker" for the heart is usually the: Choose one answer. a. sinoatrial node b. Purkinje fibers c. bundle of His d. atrioventricular bundle





Weegy: The hearts natural pacemaker is usually the (a) Sinoatrial Node.
Expert answered|Serrafin|Points 0|

User: Which of the following ions is an essential clotting factor? Choose one answer. a. magnesium b. potassium c. calcium d. sodium

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Asked 5/6/2012 6:12:40 PM
Updated 83 days ago|7/8/2020 12:06:38 PM
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Calcium is an essential clotting factor.
Added 83 days ago|7/8/2020 12:06:38 PM
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The coordination of muscle movement and the maintenance of equilibrium occur in the: Choose one answer. a. hypothalamus b. thalamus c. medulla oblongata d. cerebellum
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Which of the following ions is an essential clotting factor? a. magnesium b. potassium c. calcium d. sodium
Weegy: Calcium is an essential clotting factor. (More)
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Updated 6/18/2019 8:14:20 AM
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