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The transport system in animals is called the circulatory system. The materials are transported from one part of the body to another by a mass flow system which is the circulatory system. The animals, particularly the more advanced forms, have a higher metabo..

Any state of a system where the rate of input of energy and matter is equal to the rate of dissipation of energy and output of materials, is called as a steady stat..

Closed Circulatory System in Humans - The closed circulatory system can be represented as follows. Diagram showing inter-relationship between artery, vein and capillary The closed blood vascular system is a very well developed system This is so because, a) Th..

It has the following features: It is made up of four pairs of cranial nerves and three pairs of sacral nerves. The ganglia are far away from the spinal cord and close to the effectors. The ganglia are not linked to each other. The pre-ganglionic nerve fibre is longer than the post-gangl..

It has the following features- i) It is made up of four pairs of cranial nerves and three pairs of sacral nerves. ii) The ganglia are far away from the spinal cord and close to or within the effectors. iii) The ganglia are not linked to each other. iv) The pre-ganglionic nerve fibre is longer than..

- i) It is made up entirely of spinal nerves of the chest (thoracic) and waist (lumbar) region. Thus, they simultaneously affect many organs and tissues to produce widespread, coordinated effects. ii) It has ganglia close to the spinal cord. iii) The ganglia are linked to each other. iv) The pre-ga..

'A specified part of the universe which is under investigation is called the system'. The system is separated from the rest of the universe by a definite (real or imaginary) boundar..

Systemic is the most widespread circulatory pathway. It accounts for supply of oxygenated blood to all the parts of the body and collection of deoxygenated blood from the tissues. Path of Blood The left ventricle of the heart opens into a major artery called the aorta. The aorta branches ..

The number of times the heart beats per minute is called heart rate. For a normal adult human it is about 72 times per minute. For infants, it is a higher figure. It also goes up during physical exercise. The contractions and relaxations that the heart chambers undergo are felt all along..

Rate of reaction Concentration, temperature, and pressure - their effect on reaction rates Role a catalyst in reaction rates Definition and role of activation energy in a chemical reactio..