What is the difference between an organ and an organ system?

An organ is a collection of tissues that serves a purpose to an animal’s body (Yes, this includes humans). An example of some organs would be stomach, small intestines, and large intestines.

An organ system is a collection of organs, and with the organs I mentioned before, along with some others, make up the digestive system which is an organ system.

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These tissues make up organs (so for example the heart is made up of many tissues). These organs then work together forming organ systems (such as the digestivesystem, which is made from organs such as the stomach, intestines and rectum) to perform a particular function.

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The answer is atmosphere. there are four spheres of the earth: 1. geosphere (from greek word 'geo' = ground), 2. hydrosphere (from greek word 'hydro' = water), 3. biosphere (from greek word 'bio' = life), and 4. atmosphere (from greek word 'atmo' = air). a magnetosphere is a region of space around astronomical objects controlled by the magnetic field of that object. through the process of elimination, since lightning is present in the air, it can be found in the atmosphere.

Yes, take risk in life