PoetrySoup is a great resource for examples of calligram poems or a list of calligram poetry. These examples illustrate what calligram poems look like. There is also a link below to the definition of calligram and a page where you can discuss these types of poems.
The systemic circulation is the portion of the circulatory system is the network of veins, arteries and blood vessels that transports blood from heart, services the body's cells and then re-enters the heart, the Mayo Clinic noted.
Knowledge center. Cardiovascular diseases include illnesses that involve the blood vessels (veins, arteries and capillaries) or the heart, or both-diseases that affect the cardiovascular system. The cardiovascular system, also called the circulatory system, is the system that moves blood throughout the human body. It is composed of the heart, arteries, veins, and capillaries. It transports oxygenated blood from the lungs and heart throughout the whole body through the arteries.