Homework Help: biology

Posted by sarah on Sunday, October 31, 2010 at 11:15am.

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

biology - bobpursley, Sunday, October 31, 2010 at 11:17am
You need to be specific.
biology - sarah, Sunday, October 31, 2010 at 11:21am
okay the pharunx larynx trachea and theinferior vena cava and abdomonial aorta
biology - sarah, Sunday, October 31, 2010 at 11:29am
please someone help me
biology - bobpursley, Sunday, October 31, 2010 at 11:33am
I found one, looking for the others.

Check back later, we will try to help.
biology - sarah, Sunday, October 31, 2010 at 11:37am
thanks whih one did you find
biology - bobpursley, Sunday, October 31, 2010 at 12:17pm
inferior vena cava:medind.nic.in/iby/t06/i7/ibyt06i7p63.pdf
biology - sarah, Sunday, October 31, 2010 at 12:20pm
thanks

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