!Organism Overview
The body is the physical expression of our being, ans a microcosmos of our world. It consists of trillions of cells, organized in functional tissues, organs and __organ systems__. 

The whole body is covered in skin - the __((Integumentary - Skin Overview|integumentary system))__.
It's form and maneuverability is created by the __((Musculoskeletal - System Overview|musculoskeletal system))__. We distinguish the __trunk__ including head and neck, and the __extremities__ i e arms and legs.

__Association areas__ of skin and musculoskeletal system are divided by body halves and by in- and outsides of the extremities:
{img fileId="157" thumb="box"}

To live, the organism depends on __metabolization__ of food into energy. This happens in the __((Digestive - System Overview|digestive system))__ from the mouth, stomach, intestines, to the anus.
To burn and use the energy, cells need oxygen provided by the __((Respiratory - System Overview|respiratory system))__.
The tissues and organs are __supplied__ via the __((Circulatory - System Overview|circulatory system))__. __Disposal__ and excretion are managed by the __lymphatic system__ (part of circulatory system) and the __((Urinary - System Overview|urinary tract))__ with kidneys, bladder and urinary vessels.

The male and female __((Reproductive - System Overview|reproductive organs))__ ascertain the survival of the kind.

__Microbes__ belong to the organism and have functions of composition and decomposition in the ongoing __renewal__ of tissues.
The __cooperation__ of all organs, cells and microbes is coordinated by the __((Nervous - System Overview|brain and nervous system))__ and by the __((Endocrine - System Overview|endocrine system))__ with it's hormonal glands.
The __((Sensory - System Overview|sensory organs))__ convey __information__ about the environment, so that the body can adjust and interact.

On __[http://www.anatomy-diagram.info/anatomy-of-human-body-organs/|this website]__ you can see where each organ is situated.
