*  How long can you live without a thyroid? | Reference.com
People without a thyroid can live the duration of a standard human life as long they take prescribed thyroid hormone medication, as stated by the MedlinePlus. A person without a thyroid may need to...
https://www.reference.com/science/long-can-live-thyroid-cf8007a24d9ce654
*  What Organs Make up the Respiratory System? | Reference.com
The respiratory system is made up of the lungs, trachea, bronchi and diaphragm. These organs help people to breathe. Humans need to breathe to deliver oxygen to the body and rid the body of carbon...
https://www.reference.com/science/organs-make-up-respiratory-system-cd56231e6f8867ee
*  What Is Blood Pooling? | Reference.com
What Are Some Facts About Perfusion?. * Q: What Is the Function of the Renal Artery?. ...
https://www.reference.com/science/blood-pooling-d00c76340069bd8
*  What Is Renal Perfusion? | Reference.com
Renal perfusion is a term used to describe blood flow to the kidneys and is commonly assessed with a test called renal ... What Is Myocardial Perfusion Imaging?. A: Myocardial perfusion imaging is a noninvasive test that reveals the ability of blood ... Renal perfusion is a term used to describe blood flow to the kidneys and is commonly assessed with a test called renal ... In the case of renal perfusion assessment, a renal blood flow scan can help find blockages or narrowing of blood flow to the ...
https://www.reference.com/health/renal-perfusion-4ff9e23566a66e1d
*  What is a myocardial perfusion? | Reference.com
A myocardial perfusion is a noninvasive scan that is taken to show the amount of blood that is flowing through the heart ... A myocardial perfusion is a noninvasive scan that is taken to show the amount of blood that is flowing through the heart ... Myocardial perfusion imaging is a good diagnostic test for patients who have suffered from a heart attack or who are ... During the myocardial perfusion scan, the patient is given a radioactive tracer by IV, according to Johns Hopkins Medicine. ...
https://www.reference.com/health/myocardial-perfusion-26062feb7806ee7e