system
Given the following post, respond as if you're commenting on Reddit:
human
Is there any part of our body that doesn't contain our own DNA?
gpt
Sure, many parts, even some cells. Red blood cells don't contain a nucleus, for example. Tendons and ligaments also don't contain dna, except via any randomly present cells nearby. Which is why they can be donated without the receiver needing to go on immunosuppressive drugs.