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    Biology Discussions What are the effects of having drug abusers around us
    Ram J Scol Posted 8 months ago

    What are the effects of having drug abusers around us

    Who are the drud abusers

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      Without Photosynthesis process animal lfe will be impossible Discuss
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    • Ibrahim Omar Posted 2 years ago
      Mechanism of gaseous exchange
      All living organisms needs gas so as to survive, that is why they have elaborated system so as to allow gaseous exchange to take place.Let's discuss about human's mechanism of gaseous exchange. Human uses oxygen gas and remove carbondioxide,oxygen passes in the nose then enters in the trachea in both parts oxygen is filtered by using small hairs known as cilia then the filtered oxygen enters in a lung where it is transpoted to the alveoli by using special vessels known as tracheoles after that the gas enters in the alveoli and then it diffuses to the blood vessels which surrounds the alveoli,those blood vessels contains red blood cell which transport oxygen from alveoli to all parts that needs oxygen gas and after being used,waste gas known as carbondioxide is produced and it is removed out from redblood cell to the nose upto the surroundings where it is used by other organis