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explain the autoregulation function of kidneysthe kidneys possess the property of autoregulation this means that the blood flow in the kidneys remain
to show how water rises by capillaritycolour some water in a shallow dish with ink and touch a blotter to the water surface observe how the water
explain the metabolic activities of the kidneyfor synthesis of creatine three amino acids glycine arginine and methionine are involved directly the
to show the presence of nodules of nitrogen-fixing bacteria on the roots of legumescarefully spade up some leguminous plant like as clover alfalfa
explain the kidney as an endocrine glandthe kidney produces substances that can be described as hormones hormones are the chemicals produced by
the effect of soil on growing thingsget samples of a fertile soil from a flower or vegetable garden from a wood from a place where a cellar is life
making soil from rockssearch some soft rocks in your locality like as shale or weathered limestone bring them into the classroom and have the peoples
define the non-excretory functions of kidneythough the major contribution of the kidneys as you have learnt so far is to form urine and to maintain
what makes streams look muddyafter a heavy rainfall have peoples take samples of running muddy water in glass jars let the water stand for many hours
explain the counter current mechanismwhat is counter current mechanism counter current mechanism is the mechanism by which the kidneys produce
how the acidbase balance is maintained in an acid dietlet us first see how the acidbase balance is maintained in an acid diet the sequence of steps
explain the acidbase balance of our blood changesthis acidbase balance of our blood changes in response to many thingsthese includediet the diets
explain maintaining the ph balanceyou must be aware of the term ph ph we know provides a measure on a scale from 0 to 14 of the acidity or alkalinity
to show how soil is formed from rockscarefully heat a piece of glass in a flame and then plunge it into cold water the unexpected cooling of the
to show that soil contains air- place some soil in a glass jar or bottle and slowly pour water over it observe the air bubbles that increase by the
explain the anti-diuretic hormone adhit is secreted by the pituitary gland and controls the ability of water to pass through the cells in the walls
explain the maintenance of electrolyte balancein the process of formation of urine the kidneys also maintain electrolyte balance sodium is the most
to show the differences in soil particlessecure some glass jars that hold about half gallon or two litres of water place various handfuls of soil in
types of soilssecure samples of soil from as many places as possible and place in glass jars try to get examples of a sandy soil a loam soil a clay
explain the water balance function of the kidneywater is one of the most important constituent in the daily diet you are already aware of the roles
explain the process of secretionin the process of filtration through the glomerulus the non-threshold substances and drugs are not cleared from the
plaster of parissecure some plaster of paris and mix a small amount with water it must be worked quickly or it will harden whereas being mixed place
cement and concretesecure a small bag of portland cement have the pupils mix it with water and put it in tin can covers paper cups or small
explain the factors that affect the reabsorption processthere are also two major factors that affect the reabsorption processthese include1
explain the selective reabsorption process1 specialized proteins called transporters are located on the membranes of the various cells of the