<3 heart question <3?

1. which blood vessels participate in the oxygen/carbon dioxide exchange near body tissues??
hat is the medical profession that deals with the heart and its disorders?

3.what is the relationship between wall thickness and function among the a variety of chambers of the heart?
Answers:    Answer (1) Capillaries are the smallest of a body's blood vessels, measuring 5-10 μm within diameter, which connect arterioles and venules, and enable the interchange of water, oxygen, carbon dioxide, and many other nutrient and surplus chemical substances between blood and surrounding tissues.
Answer (2) Cardiology (Greek. kardia- heart; logos- discourse) is a specialty dealing with disorders of the heart and blood vessels. The field includes diagnosis and treatment of congenital heart defect, coronary artery disease, heart failure, valvular heart disease and electrophysiology. Physicians specializing in this field of drug are called cardiologists. Cardiologists should not be confused with cardiac surgeons who are surgeons who perform cardiac surgery - operative procedures on the heart and great vessel.
thy cardiac hypertrophy (physiologic hypertrophy or "athlete's heart") is the regular response to healthy exercise or pregnancy, which results in an increase in the heart's muscle mass and pumping flair. Trained athletes have hearts which have vanished ventricular mass up to 60% greater than untrained subjects. Rowers, cyclists and cross-country skiers tend to have the largest hearts, with a disappeared ventricular wall thickness of 1.3 centimeters, compared to 1.1 centimeters in normal adults. Heart wall concentration can be measured by ultrasound; computer tomography is more accurate though it is more expensive and has risks of exposure to radiation. Source(s): http://en.wikipedia.org/wiki/Capillary
http://en.wikipedia.org/wiki/Cardiology
http://en.wikipedia.org/wiki/Ventricular…


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