7.2 the Respiratory Structre

Please download to get full document.

View again

of 40
15 views
All materials on our website are shared by users. If you have any questions about copyright issues, please report us to resolve them. We are always happy to assist you.

Download

Document Related
Document Description
Biology SPM Form 4
Document Share
Document Tags
Document Transcript
    7.2The respiratory structures andbreathing mechanisms in humansand animals Prepared byAzneezal Ar-Rashid6 October 2009    Curious to know about.. ãProtozoaãInsectsãFishãAmphibianãHuman?    Respiratory structure of organisms OrganismRespiratory structureHumanLungsProtozoaPlasma membraneFish GillsInsectTracheal systemAmphibian LungsSkinMouth    Protozoa,eg : Amoeba sp., Paramecium sp. ãUnicellular   –Does not need any special respiratory structure ãPlasma membrane  –Serves as its respiratory surface ãVery small in size  –Has a relatively LTSA (large total surface area) ãBody surface is always moist  –It lives in the pond and lake, to allow gases to dissolve easily ãSimple diffusion  –Takes place quickly, across the thin plasma membrane
Search Related
We Need Your Support
Thank you for visiting our website and your interest in our free products and services. We are nonprofit website to share and download documents. To the running of this website, we need your help to support us.

Thanks to everyone for your continued support.

No, Thanks