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Posted by Vansh Thakur 6 years, 10 months ago
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Gaurav Seth 6 years, 10 months ago
he heart is an organ which beats continuously to act as a pump for the transport of blood, which carries other substances with it. The human heart is divided into four chambers. The upper two chambers are called right and left atrium and the lower two chambers are called the right and left ventricles. Right atrium receives carbon dioxide-rich blood from the body. Blood from right atrium enters the right ventricle, which contracts and pumps the blood to the lungs. On the other hand, oxygen-rich blood from the lungs returns to the left atrium. From the left atrium, blood enters left ventricle. Left ventricle contracts and pumps the blood to all parts of the body. Hence, the rhythmic contraction and expansion of various chambers of the heart maintains the transport of oxygen to all parts of the body.
Posted by Vansh Thakur 6 years, 10 months ago
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Spectrum is a group of wavelengths i.e. frequencies or colours of light. In the visible spectrum of light, the color of the light depends on the frequency. The visible spectrum is always the same for a rainbow or the separated light from a prism. The order of colors is red, orange, yellow, green, blue, indigo, and violet.
Posted by Naitik Gupta 6 years, 10 months ago
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Yogita Ingle 6 years, 10 months ago
A flower is the reproductive part of a plant. It is the most attractive part of the plant. Different parts of a flower include sepals, petals, stamens and pistil. Parts of a flower can be grouped into two categories namely, accessory whorls and essential whorls.
- Accessory whorls are also called as vegetative whorls which include sepals and petals.
- Essential whorls are also called as reproductive whorls which include stamens and pistil.
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Yogita Ingle 6 years, 9 months ago
When all the appliances are connected to the same socket, these appliances draw more current, and so the load increases. If the insulation on the wires is torn, two wires carrying current come into contact with each other directly. This causes a spark, which leads to fire. This is termed as a SHORT CIRCUIT.
If a fuse is not used, then overloading and short circuits result in fire.
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Vidya Mishra 6 years, 10 months ago
1Thank You