CBSE Class Notes Online – Classnotes123
CBSE Class Notes and Question Answers Online – Classnotes123
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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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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Transpiration The loss of water in the form of vapors from the aerial parts of the plant is called Transpiration. It takes place mainly through Stomata. The water which is …
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Excretion is the removal of waste from the body. Plants also produce waste products but very slowly and in very small amounts.They do not have any special organ for the …
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In a plant or a tree the waste that is produced during metabolism is converted to diffrent kind of substance and it is stored in the different parts of its …
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opening and closing of stomatal pore depends on Stomata The exchange of gasses needed for photosynthesis takes place through tiny openings called stomata. These are found mostly on the underside …
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Respiration is the chemical process of releasing energy by breaking down glucose for carrying out life processes. What is the Importance of Respiration Energy in food is in a form …
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Diffusion pressure alone cannot take care of oxygen delivery to all body parts in large sized animals because if diffusion were to move oxygen in our body, then it is …
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