Answer:
The major blood vessels connected to your heart are the aorta, the superior vena cava, the inferior vena cava, the pulmonary artery (<em>which takes oxygen-poor blood from the heart to the lungs where it is oxygenated),</em> the pulmonary veins (which bring oxygen-rich blood from the lungs to the heart), and the coronary
It makes a weird kind of medicine that makes you more healthy, and it eats away rotting wood .etc.
The correct answer is be sure that your instrument is calibrated properly. If your instrument isn't calibrated, then your data will be inconsistent.
1.Tt
2.tt
3.Tt
4.tt
HOPE IT HELPS YOU '_'
i think the answer is B :)