News tagged with heart

Related topics: heart attack , heart failure , heart disease , heart muscle , patients

Should we tax unhealthy foods?

What does a 20-ounce bottle of soda cost? If you said 99 cents, you are only partly right. While that may be the price on the sticker at the store, it doesn't take into account the cost to public health. One study, for example, ...

9 hours ago
popularity 4 comments 0

Good news for serial cereal eaters

A diet high in whole grains and cereal fibers is associated with a reduced risk of premature death, according to research published in the open access journal BMC Medicine. The results also show cereal fibers ...

Mar 23, 2015
popularity 82 comments 0

Heart

The heart is a muscular organ in all vertebrates responsible for pumping blood through the blood vessels by repeated, rhythmic contractions, or a similar structure in annelids, mollusks, and arthropods. The term cardiac (as in cardiology) means "related to the heart" and comes from the Greek καρδιά, kardia, for "heart."

The heart of a vertebrate is composed of cardiac muscle, an involuntary striated muscle tissue which is found only within this organ. The average human heart, beating at 72 beats per minute, will beat approximately 2.5 billion times during a lifetime (about 66 years). It weighs on average 250 g to 300 g in females and 300 g to 350 g in males.

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