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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
explain passive transport or diffusion - mechanism of urine formationpassive transport or diffusion diffusion means the random movement of particles
explain active transport - mechanism of urine formationactive transport when the substances are transported through a cell membrane against a
explain maximum tubular secretory capacitythe maximum rate at which tubules can transport a substance from the blood vessel to the lumen or from the
a field trip to a rock quarrythe quarry should be visited by the teacher in advance view how the rock is removed if the rock is sedimentary view the
the meaning of rock and mineral develop the meaning of these two terms by a study of the specimens collected a rock is usually regarded as mineral
explain the factors that influence glomerular filtration ratethese include1 renal blood flow a large proportion of blood flows into the glomerulus
examining sand with a magnifying glassstudy a small amount of sand with a magnifying glass or under the low power of a microscope if there is single
studying broken rocks with a magnifying glass study freshly broken rocks with a magnifying glass and try to find crystals of dissimilar minerals the
explain the glomerular filtration rate gfrthe kidneys receive a large amount of blood flow the kidney blood flow is approximately 1200 ml per minute
explain the process of filtration - formation of urinethe kidneys form urine in three phases simple filtration selective re-absorption and secretion
maintain the calcium levels of bodyndash function of kidneymaintain the bodyrsquos calcium levels along with parathormone and calcitriol kidney helps