Write 10 interesting facts about the Human Heart.

The average heart is the size of an adult fist.

Your heart will beat about 115,000 times each day.

The beating sound your heart makes is caused by the opening and closing of its valves.

Each day, your heart pumps about 2,000 gallons of blood.

If you were to stretch out your blood vessel system, it would extend over 60,000 miles.

The human heart weighs less than one pound, but a man’s heart is typically two ounces heavier than a woman’s.

A woman’s heart beats slightly faster than a man’s.

There is such a thing as a broken heart. Symptoms are similar to a heart attack but the cause is usually stress and not heart disease.

Laughing is good for your heart. It reduces stress and gives a boost to your immune system.

Explanation:

The average heart is the size of an adult fist.

Your heart will beat about 115,000 times each day.

The beating sound your heart makes is caused by the opening and closing of its valves.

Each day, your heart pumps about 2,000 gallons of blood.Your heart can weigh between 7 and 15 ounces. ...

Newborn babies have the fastest heart beats. ...

Your heart is located in the middle of your chest. ...

Your heart beats around 100,000 times a day. ...

Your heart pumps 2,000 gallons of blood a day

Explanation:

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.

not  

cuba  

russia  

iraq  

el salvador  

explanation:

known as the land of volcanoes, el salvador has visit seismic tremors and volcanic movement. it is the main nation in central america that does not have a coastline on the caribbean sea. about portion of all salvadorans live in the wide open. they are poor and don't have power or running water in their homes. in 1525, pedro de alvarado, a lieutenant of cortés's, vanquished el salvador. el salvador, with alternate nations of central america, pronounced its freedom from spain on sept. 15, 1821, and was a piece of a league of central american states until the point when that association broke up in 1838.