Difference between revisions of "Organ"
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| − | *The [[flower]] is a reproductive [[organ]]. | + | *The [[petal]]s are colourful [[organ]]s that attract insects to the flower. |
| + | *The [[stigma]] is a female reproductive [[organ]] in a flower. | ||
| + | *The [[stamen]] is a male reproductive [[organ]] in the flower that makes pollen. | ||
*The [[leaf]] is an [[organ]] used for [[photosynthesis]]. | *The [[leaf]] is an [[organ]] used for [[photosynthesis]]. | ||
*The [[stem]] is an [[organ]] which supports the [[plant]]. | *The [[stem]] is an [[organ]] which supports the [[plant]]. | ||
Revision as of 14:59, 13 September 2018
Contents
Key Stage 3
Meaning
An organ is a part of an organism, made of several tissues, that does a specific job.
About Organs
- Organs are made of more than one different tissues that work together.
- Only multicellular organisms can have organs because tissues are many of many cells.
- An organ may have more than one job.
Organs in Flowering Plants
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Organs in Mammals
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| The skin is an organ that protects the body from infection. | The heart is an organ that pumps blood around the body. | The lungs are a pair of organs used for gas exchange. | The eye is a sensory organ used to see. |
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| The ear is a sensory organ used to hear. | The mouth is an organ is used to start digestion of food. | The oesophagus is an organ that connects the mouth to the stomach. | The stomach is an organ that digests food. |
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The liver is an organ used to remove toxins from the blood. | Bones are organs in the body used for support and protection. | Muscles are organs that allow the body to move. |