The Heart Is Located in a Space in the Thoracic

question 59

Short Answer

The heart is located in a space in the thoracic cavity called the ____________________.

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Definitions:

Basic Rest-activity Cycle

A circadian rhythm concept suggesting that individuals have intrinsic cycles of rest and activity, notably proposed by sleep researcher Nathaniel Kleitman.

1 Hour

A measure of time equivalent to 60 minutes or 3,600 seconds.

1.5 Hours

A measure of time equivalent to ninety minutes.

3.5 Hours

A period of time equal to three and a half hours or 210 minutes.