similar tissues working together to preform a function
An organ is an aggregate/collection of tissues that are adapted to perform a specific function (sometimes more than one) vital to sustaining life. In humans, organs are grouped together to form organ systems. Examples of organs are the heart, lungs, liver, kidneys. Examples of organ systems are the circulatory system (heart, blood vessels) and respiratory system (lungs, bronchioles, trachea)
Be more specific. Did you mean "what is a life sustaining organ in the human body" or were you trying to ask a question about a specific organ?
Yes
The kidneys are organs. They belong to the excretory (organ) system.
Actually, your largest living organ on your body is your skin.
The job that the organ does is the function of that organ
An organ is a system in a person's body.
it is mean eyes
the heart is its own organ if you mean system it is part of the cardiovascular system.
An organ system is a group of organs working together
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nose
Little organ.
Organ is something in your body like heart, lungs, etc.
Be more specific. Did you mean "what is a life sustaining organ in the human body" or were you trying to ask a question about a specific organ?
Yes
A muscle or organ of chest
An organ for aerial respiration; -- commonly in the plural.