The Coldest Time of the Year Occurs in December at the Time

question 95

True/False

The coldest time of the year occurs in December at the time of the winter solstice.

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Definitions:

Ejection

The process of forcibly expelling something, as in the ejection of blood from the heart during systole.

Ventricles

Chambers of the heart that receive blood from the atria and pump it out of the heart to the lungs and the rest of the body.

Aortic Semilunar Valve

A valve in the heart located between the left ventricle and the aorta, preventing blood from flowing back into the heart.

Heart Sound

Sounds produced by the closing of heart valves during the cardiac cycle; typically described as a "lub-dub" sound.