PET would be the best option as I shows function although CT scans can also show function
Have a good day to you too and ofcourse we are always here to answer all the questions you ask.
Answer:
Elisa feels tired because she has a condition that affects wether the right molecules are getting to her cells. if her body were functioning correctly, this is what would happen with oxygen:
The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem
Hormones are carried by the blood stream to their target cell once there they bind to the cell. the answer to your question is they are carried by the bloodstream.