[Biology Class Notes] on Facts about Heart Pdf for EXAM

One of the essential facts about the heart is that the critical component of the cardiovascular system is the heart. It is the working muscle in our body which is the hardest. It is our body’s circulatory system. The structure of the human heart includes four chambers (two atria, two ventricles,) valves, and various arteries and veins. The essential capacity of the heart is to course oxygen-rich blood to all pieces of our body. For our survival, it is very much necessary for us to keep our heart healthy with well-balanced exercise as well as diet to avoid any kind of damage.

Amazing Facts About Heart 

There are many facts about the heart which is known as well as unknown to us. There are many amazing facts about heart which amuses us which are described as follows:

10 Facts About The Human Heart

The primary 10 facts about your heart which might be an unknown fact for you are:

• One of the facts about the heart is that the size of an adult fist or two hands clasped together is the size of an average heart.

• About 115,000 times a day, your heart will beat.

• The opening and closing of the valves of the heart make the beating sound.

• Approximately 2000 gallons of blood, your heart pumps each day and can be considered as one of the amazing facts about the heart.

• It will extend over 60,000 miles if we need to stretch out our blood vessel system.

• The size of a human heart is less than one pound, but a woman’s heart is two ounces lighter than a man’s heart.

• A man’s heartbeats are slightly slower than a woman’s heart. 

• There is a thing known as a broken heart. The symptoms of the broken heart are similar to a heart attack, and the cause of it is generally stress.

• For reducing stress and boosting your immune system, laughing is very helpful for your heart.

 

Other than these ten significant amazing facts about heart, some of the other interesting facts about the heart are:

 

One of the many interesting facts about the heart is that according to the available records, the symptoms of cardiac diseases will widely vary between a man and a woman because of the many risk factors women face. 

Researchers have found evidence that the heart diseases are 3000 years old and first found in Egyptian mummies which is considered as one of the unknown interesting facts about the heart.

One of the facts about the heart is that heart cancer can be considered as one of the rare diseases if we compare it to other types of cancer because in the early age the heart cells stop dividing. 

The right side of our heart siphons deoxygenated blood into our lungs and the left half of our heart pumps oxygenated or oxygen-rich blood from our lungs to our body. 

The pulse diminishes when we are resting, which changes between 40 to 60 bpm – beats every minute. This is, for the most part, a direct result of the moderate body’s metabolism. 

During stress, the ladies’ heart siphons more blood, her heartbeat rate increments on account of man, the veins of his heart contracts, raising his circulatory strain. It is one of the many amazing facts about the heart.

In the whole set of all animals, whales are the mammal in which the largest heart is found weighing around 180 tons and about 30 m its length.

Solved Questions 

1. Explain the risk factors associated with Coronary Artery Disease?

 

There are many risk factors which you neither protect nor do anything about it.

• Being a male increases risks of Coronary Artery Disease.

• Being a woman who is now basically in the age which is past menopause.

• Being older is prone to this disease.

• A family history of heart diseases or coronary artery diseases can lead to a risk factor.

Fun Facts 

• The iconic shape of the heart, which is said to be a symbol of love, was thought from the silphium plant, which was used as a form of ancient birth control.

• The giraffe has an irregular heart, with their left ventricle being a bit thicker than the right ventricle. The left side has to get the blood up to the long neck of the giraffe to reach the brain.