Homocysteine is an amino acid that is produced in the body. A high homocysteine level can damage the lining of the arteries.

Blood flows from the heart through arteries and into capillaries. It then returns to the heart through veins.

Common signs and symptoms of blood clots, from swelling and pain to chest discomfort, and discover when to seek urgent medical attention.

Blood vessels with artery and vein internal structure vector illustration. Illustration about graphic, blood, coronary, drawing, closeup, intima, infographic, lamina - 190053683

Blood vessels in the brain develop under unique rules, challenging longstanding beliefs about vascular formation.

Blood vessels are the channels through which blood is distributed to body tissues. In human anatomy, the blood vessels are the components of the circulatory system that transport blood throughout the human body. Click through to get the free and editable template.

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According to a recent study, leaky capillaries could be more important to the development of Alzheimer's disease than protein buildup in the brain.

Arteries