In which circuit does blood become deoxygenated? As deoxygenated blood leaves the right ventricle, it crosses the pulmonary trunk and enters the pulmonary loop. As the pulmonary trunk branched down ...

where the state health department tests blood from newborns for more than 50 rare diseases. (Joey Cappelletti/Report for America via AP) (CN) — The state of Michigan asked a three-judge panel of the ...