a positron emission tomography (PET) scan is an imaging test that allows your doctor to check for diseases in your body. The scan uses a special dye containing radioactive tracers. These tracers are either swallowed, inhaled, or injected into a vein in your arm depending on what part of the body is being examined
Because it stretches your muscles <span />
As long as calories consumed and expended are not the same, diet or activity level should be adjusted for the good of the body's health.
Answer:
the amniotic fluid is nutrients that feed the baby and help it grow
