What is planet ? yashwanth blog.

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  A planet is a large object such as Venus or Earth that orbits a star. Planets are smaller than stars, and they do not produce light. Jupiter is the biggest planet in the Solar System. Planets are shaped like a slightly squashed ball (called a spheroid). Objects that orbit planets are called satellites. There are more planets than stars in our galaxy. The current count orbiting our star: eight. The inner, rocky planets are Mercury, Venus, Earth and Mars. The earth has conditions that support life . It is neither too hot nor too cold. It has both water and air, which are both indispensable for life . Presence of oxygen in the air in an appropriate proportion supports life .
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 Leech has 32 brains. A leech's internal structure is segregated into 32 separate segments, and each of these segments has its own brain.In medicine, particularly plastic and reconstructive surgery, leeches may be used to help improve blood flow in an area of tissue or a skin flap that has poor blood circulation. Leeches do this by removing clotted blood (congested blood) from delicate areas, such as underneath a flap of skin or on a finger or toe.

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