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What is the only part of the body with no blood supply? Correct Situated at the eye's forefront, the cornea stands out as the sole human body component devoid of a blood source. Functioning as a clear, curved shield, the cornea enables light penetration into the eye and contributes significantly to achieving precise vision. In contrast to other bodily tissues, this structure lacks blood vessels, a key attribute that upholds its clear and see-through nature. Rather than depending on blood for sustenance, the cornea obtains oxygen straight from the atmosphere and obtains nutrients from tears and a fluid known as the aqueous humor contained within the eye.