biology

i am doing a science project and needmeasurements for organs in the respiratory and excretory systems

asked by sarah
  1. You need to be specific.

    posted by bobpursley
  2. okay the pharunx larynx trachea and theinferior vena cava and abdomonial aorta

    posted by sarah
  3. please someone help me

    posted by sarah
  4. I found one, looking for the others.

    Check back later, we will try to help.

    posted by bobpursley
  5. thanks whih one did you find

    posted by sarah
  6. inferior vena cava:medind.nic.in/iby/t06/i7/ibyt06i7p63.pdf

    posted by bobpursley
  7. thanks

    posted by sarah

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