Split-brain patients have had surgery to cut the corpus callosum. Such a phenomenon was studied and monitored by two neuroscientists Roger Sperry and Michael Gazzaniga. After hard operation, patients felt quite good although the expectations weren't that good. Patients could perform all the activities they did before surgery, that was very surprising and innovational. But after several experiments, doctors discovered side effects and got back to study this process.
Answer:
The second
Explanation:
its the only one that makes since
I think option three is most realistic, someone correct me if I'm wrong.
Hope this helps :)
<span>oxygenated blood gets sent to the body</span>