The Reactants Are the Starting Materials in a Reaction

question 38

True/False

The reactants are the starting materials in a reaction.

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Definitions:

Venipuncture

The process of puncturing a vein with a needle to withdraw blood or administer medication.

Aneurysm

An abnormal bulge or ballooning in the wall of a blood vessel, which can be life-threatening if it ruptures.

Diastole

The stage of the cardiac cycle during which the heart muscle relaxes, permitting the chambers to be filled with blood.

SA Node

The sinoatrial node, a group of cells in the right atrium of the heart that generates the electrical impulses initiating the heart's rhythm.