Question

A human body is the most complex machine.Explain​

Answer 1

Answer:

They interact with those body parts, like muscle and the brain, and each body part does its job, like moving or thinking. ... It allows the body to sustain itself and perform its functions. Thus the body functions as a complex machine which utilizes the production process internally to sustain itself.

Answer 2

These four major complexes are:

The movements of the heart and circulatory system;

The movements of the digestive system (stomach, small and large intestines);

The rhythm of the breathing mechanism