How do your body system interact with other systems?a least three examples

The human body as a system interacts wit so many different
environmental, social, biological and physical systems. It is almost impossible to
compile a comprehensive list.

As part a social animal
humans interact with other humans which are organized into so many different groups such
friendship group, family, neighborhood, city, state nation, a market, employment system,
educational system and so on. In addition, the individual is also am a member of
transient social system like a person participating in a sports
competition.

Then individuals also interact with other
biological systems. A pet kept by a person, domestic animals to provide food milk, and
farming are some very common example of such
systems.

People also interact with various aspect of the
environment. For example, the body is able to maintain a standard body temperature by
responding appropriately. In addition, acts like wearing woolen clothes when it is cold
also involves interaction with the environment.

Then we
also interact with the various equipment we use. It is very common to talk about man and
machine inter-phase in relation to computers and design of equipments like car which
require skillful handling by people. However, things like the house we live in, as well
as the physical infrastructure of the city we live in including things like traffic
signal systems are all systems with which we interact.