system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Do fat or overweight people have more blood than normal-weighted people?
gpt
Yea, since more mass has to be supplied. Otherwise you'd need a faster circulation system, thinner bloodstreams, and that'd also mean a higher average pulse, which would cause heart issues aside the other likely ones that already exist when you are overweight.