The Wikipedia page on Arteries provides an in-depth overview of the major blood vessels in the human body that carry oxygenated blood from the heart to the various organs and tissues.

The brain is a complex organ that serves as the center of the nervous system in humans and many other animals.

The circulatory system, also known as the cardiovascular system, is a complex network of blood vessels, the heart, and blood that helps transport oxygen, nutrients, hormones, and waste products throughout the body.

A computed tomography (CT) scan, also known as a CAT scan, is a medical imaging technique that uses x-rays and computer processing to create detailed cross-sectional images of the body.

A disease, in the context of health, is a condition that impairs the normal functioning of the body or mind.

The Doppler effect is a scientific phenomenon that occurs when there is a change in the frequency or wavelength of a wave, such as sound or light, due to the relative motion between the source of the wave and the observer.

The heart is a crucial organ in the circulatory system that pumps blood throughout the body.

Magnetic resonance angiography (MRA) is a group of techniques based on magnetic resonance imaging (MRI) to image blood vessels.