CBSE Class Notes Online – Classnotes123
CBSE Class Notes and Question Answers Online – Classnotes123
What is Nephron Nephron is the basic filtering unit found in the kidney. It is also called as uriniferous tubules or renal tubules or just kidney tubules Structure of nephron …
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What Is Nephron Nephrons are the structural and functional units of the kidney. Each kidney contains a large number of tiny filtration units called nephrons(uriniferous tubules). There are Approximately 2 …
Read More19 Multiple Choice Questions and Answers : Q. 1. Which of the following is a source of food? (a) Plants only (b) Animals only (c) Both plants and animals (d) …
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Food is a substance, eaten by living beings to get energy. It is one of the basic necessities of life. Nutrition Nutrition is the process by which our body takes …
Read MoreParts of a Flower Parts of the Flower with their Description and Functions are as follows Calyx (Sepals) Usually there are five sepals. Sometimes they may be less or in …
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Sexual Reproduction It is a type of reproduction in which both sexes, i.e. male and female are involved. Sex cell of one parent (male) fuses with the sex cell of …
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What is Reproduction It is the process of producing new organisms from the existing organisms of the same species. It is vital for the existence and continuity of the species. …
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Explanation of Double Circulation Diagram Deoxygenated Blood enters the Heart Deoxygenated blood reaches from the body to the upper chamber on the right, namely right atrium of the heart and …
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The Circulatory System The circulatory system is the system of transportation in animals . It consists of your heart, blood, veins, and arteries. It carries blood to every part of …
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Double Circulation In human beings, the blood goes through the heart twice during each cycle i.e. the blood passes through the human heart two times to supply once to the …
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