organ
It's an organ eg heart, lungs, liver etc. Something like the heart is made up of lots of different tissues- muscle, fat etc- but performs a much more complex task that any of the tissues could on their own. Hope this helps....
an aircraft
In your skull, you have bony vault, meninges and brain with well defined boundary.
organ
An organ is a structure that is composed of 2 or more different kinds of tissues.
organ
Organ.
Organs are a structure composed of one or more different types of tissues; specialized to carry out specific functions. Some examples of organs are heart, vein's, arteries, and capillaries.novanet...when two or more tissues combone their functions they form a structure called an organ
organ
an organ
an organ
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