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

You need to be specific.

okay the pharunx larynx trachea and theinferior vena cava and abdomonial aorta

please someone help me

I found one, looking for the others.

Check back later, we will try to help.

thanks whih one did you find

inferior vena cava:medind.nic.in/iby/t06/i7/ibyt06i7p63.pdf

thanks