In contrast, expiration (breathing out) is usually a passive process.

He claims they are consistently trying to find a visual language for those concepts because, according to Zeki, seeing is not a passive process.

However, the idea of a general trend towards complexity in evolution can also be explained through a passive process.

This began through his own research when he began to study sensation and perception as being active, rather than passive processes.

Implicit learning is a passive process where people are exposed to information and acquire knowledge through exposure.

However, the idea of increasing production of complexity in evolution can also be explained through a passive process.

Immune privilege has emerged as an active rather than a passive process.

It adds action to a normally passive process.

It is a passive process (doesn't require energy) affected by factors such as:

This happens through the passive process of diffusion.