What Occurs During the Time Between the First Heart Sound

question 103

Multiple Choice

What occurs during the time between the first heart sound and the second heart sound?

• A) Ventricular systole
• B) Ventricular diastole
• C) Ventricular filling
• D) Atrial systole
• E) The P wave of the ECG

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Definitions:

Soil Erosion

The wearing away or removal of soil from the land; although soil erosion occurs naturally from precipitation and runoff, human activities (such as clearing the land) accelerate it.

Mosses

Small, green, non-vascular plants that usually grow in dense green clumps or mats, often in damp or shady locations.

Vascular Strand

Vascular strand refers to a bundle of plant tissues that includes xylem and phloem, conducting water, nutrients, and sugars throughout the plant.

Microphylls

Small, simple leaves with a single vein, found in some plant species, notably the lycophytes.