This is a curved section of the aorta with branches that supply the brain, head, neck and arms.

这是主动脉的弯曲部分，有供应大脑、头部、颈部和手臂的分支。

This section is called the aortic arch, and it's the curved section of the aorta with branches that supply the brain, head, neck and arms.

这个部分称为主动脉弓，它是主动脉的弯曲部分，分支供应大脑、头部、颈部和手臂。