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Endocrine disorders are caused if the hormone levels are too high or too low, or if your body doesn’t respond to hormones in the expected way. 1. Endocrine disorders of Pituitary gland Effects of hypersecretion of pituitary (a) Gigantism Oversecretion of Growth Hormone from childhood results in extraordinary growth of long bones. As a result … Read more
What is Endocrine System? Endocrine System consists of ductless glands that control, communicate, coordinate and integrate various functions of all the body organs by secretions of chemical messenger called hormones. What is the difference between nervous and endocrine control? Nervous Control Endocrine Control 1. Works by the conduction of nerve impulses. Works by the … Read more
The system that controls and coordinates all the activities of various body parts in response to external and internal stimuli by the conduction of nerve impulses is called nervous system. Neuron or nerve cell It is the structural and functional unit of nervous system. A nerve cell with all its processes is called a neuron. … Read more
National Health Programmes in India National Malaria Eradication Programme (NMEP) – For the eradication of malaria. National Filaria Control Programme (NFCP) – For the eradication of filaria. National Smallpox Eradication Programme (NSEP) – For the eradication of smallpox. National Leprosy Control Programme (NLCP) – For controlling Leprosy. National Cholera Control Programme (NCCP) – For controlling … Read more
*Portal vein – A vein that starts with capillaries and ends in capillaries is called portal vein. What is Hepatic Portal System? Gastric vein from stomach, superior mesenteric vein from small intestine and inferior mesenteric vein from large intestine do not join the inferior vena cava directly instead they join together and form a single … Read more
What is Excretion and Excretory System? The process of removal of chemical waste (mainly nitrogenous) from the body is known as excretion and the organ system involved is called Excretory System. Excretion plays an important role in maintaining the homeostatic condition of the body. Excretory Products CO2 and Water Nitrogenous Waste Products Nitrogen containing waste … Read more
Blood vessels are highly branched tubes through which blood circulates from the heart to all parts of the body. Types of Blood vessels There are three types of blood vessels -: Arteries An artery is a vessel which distribute oxygenated blood (except pulmonary artery) to various body parts from the heart.OR, Vessels that carry blood … Read more
Population Population may be defined as a group of organisms belonging to one species which occupy a given area at a given time. Or , Number of individuals of one species occupying a specific geographical area. Few characteristics of population are – Population density, Birth rate, Death rate, Age distribution, Biotic potential, Rate of Dispersion … Read more
Blood group, also known as blood type, is a group of types of blood based on the presence and absence of blood group antigens in the surface (membrane) of the RBCs, and antibodies on the plasma. Karl Landsteiner, on the basis of blood transfusion results, proposed that blood of different persons has some biochemical differences. He … Read more
Definition of Blood Blood is defined as specialized connective tissue containing homogenous fluid composed of liquid substance known as plasma and the formed elements RBCs , WBCs and the platelets. It is slightly alkaline in nature pH=7.4 . Saltish in taste , heavier than water and viscous sticky fluid. Adult man has 5-6 litres and … Read more