by abhishek | Aug 21, 2020 | Nervous System
The nervous system of human beings consists of brain, spinal cord and nerves. Brain The brain is the anterior part of the central nervous system. It is situated within the hard bones of the skull. It is wrapped in three separate membranes called meninges. The space...
by abhishek | Aug 20, 2020 | Nervous System
Animals control and coordinate their activities with the help of nervous system and endocrine system. The nervous system consists of a group of organs which control and coordinate the activities of the various parts of the body in response to changes in...
by abhishek | Aug 19, 2020 | Nervous System
The affect of duration of light (or photoperiods) on the growth and development of plants, especially flowering and seed germination is called photoperiodism. For example, flowering of tobacco plants can be done in summer by decreasing the light hours. The chemical...
by abhishek | Aug 19, 2020 | Nervous System
Movement may be defined as the change in position of an organism with respect to its surrounding. Although all the plants are fixed at a place, yet they show movements. In plants the movements are shown by their parts in the form of growth. These movements are caused...
by abhishek | Aug 19, 2020 | Nervous System
All the living organisms need some means to control and coordinate their activities, so that the different organs of their bodies work together as a whole. In most organisms this objective is achieved with the help of nervous system and endocrine system. The nervous...
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