Which of these statements correctly describes internal work?
A)It includes all the energy-expending activities that must go on all the time to sustain life.
B)It refers to all energy expenditure by tissues other than skeletal muscles.
C) It includes the energy expenditure required to move external objects.
D) It refers to all energy expenditure by skeletal muscles.

Question

Quizplus · Accepted Answer

Internal work refers to the energy required to maintain basic bodily functions such as breathing, circulating blood, and synthesizing proteins. This energy expenditure is necessary to sustain life and occurs in all cells and tissues, not just skeletal muscles.

Which of These Statements Correctly Describes Internal Work