Major arteries

AORTAS

"Hint: "The body's largest blood vessels, carrying oxygen-rich blood from the heart." This hint narrows the focus to the most prominent arteries while still requiring the solver to recall the specific term. It avoids repeating "major arteries" and instead emphasizes their function and significance."

The clue "Major arteries" leads to the answer "AORTAS" through a straightforward definition. The aorta is the largest and most significant artery in the human body, carrying oxygenated blood from the heart to the rest of the body. The plural form "aortas" is used here, as arteries can refer to multiple major blood vessels.