Question

The process by which people walk

Answer 1

The process by which people walk relies on the conversion of chemical energy from food into mechanical energy by muscles. Heat energy cannot be directly used to perform work.

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Answer 2

Bipedalism is a form of terrestrial locomotion where an organism moves by means of its two rear limbs or legs. An animal or machine that usually moves in a bipedal manner is known as a biped /ˈbaɪpɛd/, meaning "two feet" (from the Latin bis for "double" and pes for "foot").

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