The simpelest answer would be anything on this planet that uses oxygen to live, or produces oxygen by living, and butoth of which produce wast material.
The nervous system and the respiratory system are examples of organ systems
appendix
I dont no
respiratory system
Cardiovascular and neurological
An organ is formed by two or more tissues grouped together and performing specialized functions. Examples include the heart, liver, and brain. Organs work together to carry out specific tasks in the body.
Organ is used in rock. Examples: The Beatles-Let it be!, The Beatles-Rock and Roll Music, Queen-Living on my own, Queen-Let's Turn it on, Queen-Bicycle Race.
DONG
It is difficult to answer this question without context. They could be considered examples of (specialized) nerve endings, but the best answer might be that they are examples of a sensory/sense organ.
An artificial organ is a man-made device that replicates the function of a natural organ in the body. Examples include artificial hearts, kidney dialysis machines, and cochlear implants. These devices are used to replace or support the function of failing or damaged organs in the body.
here are some examples =) -vibration -soundwaves -electronic organ -flute -pitch -violin -acoustics -speakers
examples of plant organs are the root, leaves, stem, seeds, etc.