Skin and temperature regulation – Upper primary

05/30/2020 0

Temperature regulation The body temperature must be kept constant because enzymes work best within narrow temperature range. At very low temperature enzymes are inactive whereas ... Read More

Gaseous exchange – Upper primary

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Gaseous exchange Animals take in air in order obtain oxygen for respiration. Respiration is the burning or oxidation of food in the body to obtain ... Read More

Excretion (Science for upper primary)

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Excretion This is the removal of metabolic waste products from the body Example of excretory product Carbon dioxide Ammonium excretory product ( ammonia, urea and ... Read More

Ear, nose, tongue (Science for upper primary pupils)

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The human Ear The mammalian ear has three major functions Detecting sound through the cochlea Maintenance of body balance by the semicircular canal Equalize pressure ... Read More

Eye and camera (science upper primary)

05/30/2020 0

Eye  The eye is a sense organ for sight. Since it uses light to function, it is called optical organ. The human eye is found ... Read More