You are presented with the quiz "What organ helps take up glucose from the blood?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "insulin helps cells take up glucose from the blood" and "insulin, a hormone produced by the pancreas, helps glucose in the bloodstream". So, what's the best answer to the question?

OPT: 1. Both kidneys. 2. The liver. 3. sweating. 4. during the day. 5. A computer. 6. Veins. 7. The pancreas. 8. humans.
The answer is:
7.