Life cycle stages

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Growth . It is increasing the size of an organism or some of its parts. Is quantified by the increase in weight, volume or linear dimensions . Produced by hypertrophy or hyperplasia . The main steps in the pattern of human growth are: Lactation ( 0-2 years). Rapid growth during ...

contraceptive methods

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Some contraceptive methods are more effective than others. The table below compares the effectiveness of different contraceptive methods. The most effective way to prevent pregnancy is to not have sex . (This is called abstinence ) . Couples who have sex should use methods of birth control properly and every time ...

Oceanic waters

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The Ocean Waters are in the ocean basins , are characterized by bitter , salty and dense and are surrounding landmasses . Among the physical and chemical properties of ocean waters were addressed : • Salinity also their origin , average salinity, its main chemical components , their variations by latitude, depth, ...

Cardivascular Hygiene System

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The cardiovascular system requires specific hygienic measures to prevent the occurrence of anomalies which adversely affect its operation. Recall that this system depends on the proper nutrition of the tissues of the body through oxygenation , so that the structures and organs that compose it must be kept in better ...

ecosystems

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A clothing company is planning to install a new branch in the state of Tlaxcala, in the foothills of the Malinche.Para carry out this project require an environmental study to avoid affect irreversiblemente.Se assigned this work to the ecologist Pascual Gudino and takes effect without mishap ; in his report ...

E. COLI

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GENEVA ( Agencies ) - . The World Health Organization (WHO ) said yesterday that the outbreak of E. coli bacteria emerged in northern Germany , has caused 18 deaths (17 in Germany and one in Sweden ) , contaminated thousand 823 people and has spread to 12 countries. The expert ...

GLOBAL WARMING

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Global warming Are we coming global catastrophe ? Many scientists predict major natural disasters caused by rising temperatures on Earth : floods, famine, drought, frost , epidemics ... are common in all countries. It is estimated that by 2100 the average temperature of the earth's surface will be between 1.5 and 6 degrees ...

HORMANAS ENCOURAGING THE DIGESTIVE ENZYMES

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Enzymatic release is stimulated by the vagus nerve of the autonomic nervous system but the emotional stress can affect its function, there are hormonal secretions that stimulate or inhibit these secretions of these enzymes: HORMONE EFFECT Secretin stimulates the secretion of enteric juice Pancreozymin stimulates the secretion of pancreatic juice Enterocrinina stimulates the secretion ...
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