In the United States, middle schools and high schools often offer choir as a class or activity for students. Some choirs participate in competitions. One kind of choir popular in high schools is show choir. Middle school and high school is an important time, as it is when students' voices are changing.
Veins and arteries. Vascular disease is a class of diseases of the blood vessels â the arteries and veins of the circulatory system of the body. It is a subgroup of cardiovascular disease. Disorders in this vast network of blood vessels, can cause a range of health problems which can be severe or prove fatal.
Other Vascular Diseases. Your circulatory system is the system of blood vessels that carry blood to every part of your body. Vascular disease includes any condition that affects your circulatory system.These include diseases of the arteries and blood flow to the brain.ther Vascular Diseases. Your circulatory system is the system of blood vessels that carry blood to every part of your body. Vascular disease includes any condition that affects your circulatory system.