In every living cell, more than 5000 types of chemical reactions take place at any time. To carry out these chemical reactions physical activities and other functions of living cells; energy is required. We are going to discuss that what are the effects of exercises on Respiratory System. The source of energy in cells is the … Read more
If you have the question that why is the earth called a unique planet in the solar system or what makes the earth a unique planet, then you must read this article. The earth is the third planet away from the sun, Mercury and Venus being the first and second planet from the sun. … Read more
The flower is the most attractive, brightly, coloured and conspicuous part of the plant. It helps in sexual reproduction and later forms fruit and seeds. PARTS OF A FLOWER The flower is attached with the stem or its branches with the help of a stalk called pedicel. If the flower is without pedicel, it is … Read more
If you have any doubt related to the composition and structure of atmosphere, you must read this article till end because it will clear your basic doubt related to Earth’s Atmosphere. Three quarters of the atmosphere’s mass is within 11 km of the planetary surface. The atmosphere is one of the most important components of … Read more
“Nothing survives forever, still life continues in this universe.” It is because of reproduction which is the most fundamental feature of all the living functions. The living organisms reproduce at the molecular, cellular and organismie levels. Reproduction : It is defined as the production of new individuals by sexual or asexual means, which … Read more
Endocrine(ductless) glands that control, communicate, coordinate and integrate various functions of all the body organs, by the secretion of chemical messengers called hormones collectively constitute endocrine system. Working alone or in concert as a single neuroendocrine system, they perform the same general functions. The endocrine glands secrete very minute quantities of chemical messengers called hormones (Gk. … Read more
A pair of ears present on the lateral sides of head, one on either side are the organs for perceiving the sound waves. The ears convey these sound waves to the brain.We are going to discuss about different parts and functions of ears in sense organs. It helps in analysing the pitch, quality, timbre, intensity, … Read more
The body has millions of sense organs in the form of sensory neurons which are the receptors for general sensation . These receptors are almost evenly distributed throughout the body . Can you imagine what your mental condition would be if you would have no knowledge about things outside your body ? Survival will become … Read more
All metabolism begins with the chemical raw materials that are collectively referred to as food . Some organisms are capable of synthesising organic materials from inert inorganic substances . Such organisms are known as autotrophs . Whereas , others depend upon autotrophs directly or indirectly for the purpose of food and known heterotrophs . The … Read more
Plant physiology is the branch of Biology that deals with the study of functions of a plant. It includes functioning of cells, tissues, organs, organ systems and the organisms as a whole. Here in this topic, you are going to study about, the most fundamental processes occurring in plants which have tremendous importance in their … Read more