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What is the heart?
The heart is the organ that supplies murder and oxygen to all parts of the body. It is around the size of a tight hand, weighs some 10.5 ounces and is wrought like a strobilus. The ticker is set in the furniture decay meet retral to the bone, between the lungs and good to the preventative. The nerve is enclosed by a fluid filled sac titled the pericardium. Blood is tense departed from the nerve finished arteries and returns to the suspicion finished veins. The subject artery of the body is the aorta and the subject veins of the body are the vena cavae.The Heart and heart disease
What Is Heart Disease?
The heart is the center of the cardiovascular system. Through the body's blood vessels, the heart pumps blood to all of the body's cells. The blood carries oxygen, which the cells need. Cardiovascular disease is a group of problems that occur when the heart and blood vessels aren't working the way they should. Here are some of the problems that go along with cardiovascular disease:
The Heart and heart disease
- Arteriosclerosis (say: ar-teer-ee-oh-skluh-row-sus): demgemنك called hardening of the arteries, arteriosclerosis means the arteries become thickened and are no longer as flexible.
- Atherosclerosis (say: ah-thuh-row-skluh-row-sus): a buildup of cholesterol and fat that makes the arteries narrower so less blood can flow through. Those buildups are called plaque.
- Angina (say: an-jy-nuh): people with angina feel a pain in the chest that means the heart isn't getting enough blood.
- Heart attack: when a blood clot or other blockage cuts blood flow to a part of the heart.
The Heart and heart disease
- Stroke: when part of the brain doesn't get enough blood due to a clot or a burst blood vessel.
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