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Explain Protective and Excretory Function
Protective function: Large quantity of mucin is secreted by gastric glands. Mucin lubricates the food bolus (a mass of chewed food) and also gives a protective layer over the gastric mucosa.
Excretory function: Certain toxins, heavy metals like lead and some alkaloids are excreted through the gastric juice.
Heaping water up in a glass Place a drinking glass in a shallow pan or on a saucer. Rub the top edge of the glass with a dry cloth. Pour water into the glass unless it is full
Objectives : After studying this unit, you should be able to 1. explain the need for safety and health regulations using an example, 2. describe the use of National Buildi
Miller's Experiment The above theory could be tested by recreating in the laboratory on a small scale, the conditions which must have existed when life originated on the
Leguminous crop grown under phosphate deficiency conditions may suffer from N deficiency as well. Explain. Rhizobium bacteria infect the roots of leguminous plants and lead to
would quartzite or sandstone break more easily. please explain
Purpose To assess your ability to conduct quantitative data analysis and interpret the results of data analysis introduced inForecasting Trend. To assess your ability to
Explain Mouth To Mouth Respiration If no instrument is available, one's own lung may be used as a positive pressure pump. Air may be blown into the lungs of the subject by way
The debris resulting from mountaintop removal mining is Answer A. dumped into valleys and streams below B. ground and combined with cement to make concrete C. resold as soil
Factors decide the broad area of scientific activity
Control of Environment: Control of environment is essential for maintaining good health. Environmental factors which are basic to individual and community health are housing
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