by abhishek | Aug 21, 2020 | Environment
We have already studied that there is a balance between biotic and abiotic factors of environment. But human beings are disturbing this balance of nature to fulfil their needs of food, clothing, housing, transport and industry. This environmental imbalance created by...
by abhishek | Aug 21, 2020 | Environment
Environment is that physical and biological world in which we live. Thus the environment consists of all those factors that affect the existence of an organism. The environment consists of two types of factors. These are: Biotic factors and Abiotic factors (or...
by abhishek | Aug 21, 2020 | Nervous System
Hormones are very important biochemicals produced in the body by specialized group of cells called glands. Chemically hormones are composed of proteins. These regulate the various metabolic reactions in the body. These are required only in small amount. Their low or...
by abhishek | Aug 21, 2020 | Nervous System
Endocrine system is a group of glands that work together to control and coordinate the activities of animals. Glands are groups of cells which produce specific chemicals called hormones. The first hormone was discovered by English scientists William Bayliss and Ernest...
by abhishek | Aug 21, 2020 | Nervous System
Electroencephalogram is a record of electrical activities of brain which is used by doctors to diagnose brain ailments.The EEG of a patient is done by doctors by using an instrument called electroencephalograph. Electroencephalograph consists of two electrodes which...
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