Important and Interesting Facts About Human Body Parts For SSC Exams

The Human Body is made up of various cells, tissues, organs, and other biological systems, which are involved in performing a variety of specialized functions necessary to maintain a healthy life. An organ is an organization of many different types of tissues arranged in such a way that they can perform a particular function together. The scientific study of the structures of the body and its functions is called human anatomy and physiology.

The basic processes of the human body in life include Organization, Metabolism, Reaction, Movement, and Reproduction.

Interesting Facts About The Human Body

The human body is made up of multicellular because they are composed of many cells. Every living organism is made up of cells. Some of them are single-celled organisms, including bacteria.

Fact 1- Interesting Fact On Blood

• Blood is the only fluid connective tissue that plays a major role in the transport of nutrients, respiratory gases, and hormones, in maintaining and regulating body temperature, pH, and other thermo-regulating processes.
• Blood is Six times thicker than water and each drop of blood contains about 250 million cells.
• The adult human body contains a minimum of 1.325 gallons of blood. 
• Blood accounts for about 7 to 8 per cent of a person’s total body weight.

Fact 2-  Interesting Fact On Human Brain

• Brain surgery has been done since the Stone Age.
• Information moves between neurons in our brain at the fastest speeds of up to 250 miles per hour.
• About 75% of the brain is made up of water.
• There are about one hundred billion neurons in our brain.
• cholesterol is the head of learning and memory.
• The human brain gets smaller as we age.
• Traumatic events can affect the brain’s capacity to remember details.
• The brain uses a total of 20% of the oxygen and blood in your body.

Fact 3- Interesting Fact On Nervous System

• There are more nerve cells in the human brain than there are stars in the sky.
• Our brain alone contains 100 billion neurons and the human spinal cord has about 13 500,00 neurons.
• The brain of a newborn baby grows to three times its size during the period of its first year.
• The left side (one side) of the human brain is responsible for controlling the (another side) right side of the body and the right side of the brain is responsible for controlling the left side of the body.
• The male brain has 6.5 times more grey matter than the female brain, but a female brain has 10 times more white matter than the male brain.
• Potassium and sodium ions are necessary for the normal functioning of the brain.
• There are 43 different pairs of nerves that connect the central nervous system (CNS) to the rest of the body. Twelve nerve pairs are connected to the brain, while the remaining thirty-one is connected to the spinal cord.

Fact 4- Interesting Fact On Heart

• The average size and length, width, and thickness of the heart are 12 cm,  8.5 cm, and 6 cm respectively.
• The average heart weight is 280–340 g in males and 230–280 g in females.
• The heart beats approximately 1,15,000 times and it pumps about 2,000 gallons per day.
• A woman’s heart beats a little faster in comparison to a man’s heartbeat.
• The sound of a heartbeat occurs when the valves of the heart open and close.
• Cancer in the heart is extremely rare because heart cells do not divide.
• The first open-heart surgery was performed by Dr. Daniel Hale Williams in the year 1893.

Fact 5- Interesting Fact On  Circulation System

• The circulating blood in our body is made up of about 55% plasma, 40% red blood cells, and 4% platelets. and 1% white blood cells.
• Human blood contains atoms of metals including iron, chromium, manganese, zinc, lead, copper and small amounts of gold.
• Human blood cells have separate life cycles. On average, red blood cells (RBCs) circulate in the body for about 4 months, platelets for about 9 days, and white blood cells (WBCs) for a few hours to several days.
• A human circulatory system has more than a million miles of blood vessels. 
• An adult human body has an average of 100,000 miles of blood vessels.

Fact 6-  Interesting Fact On  Lungs and Respiratory System

• Pulmonary hypertension is one of the rare diseases of the lungs, which causes increased blood pressure in the pulmonary arteries.
• The lungs are the only organ in the human body that is capable of floating on water. 
• Human children and females have higher breathing rates than males.
• Humans release 17.5 ml of water per hour.
• On average people breathes about 13 pints of air per minute.
• It is possible to live life using just one lung.
• Approximately 80% of deaths are caused by lung cancer that is a result of smoking.
  Fact 7-Interesting Fact On Digestive System
• The muscles in your oesophagus undergo a giant wave action called peristalsis. Peristalsis helps in moving food or drink down in our stomach.
• The gut-brain axis is the close bond that exists between the digestive system and the brain.
• The small intestine is about 22-23 feet long while the large intestine is only around 5 feet long.
• The stomach is made up of flexible muscles. The stomach has the capacity to pull in and hold up to 4 pounds of food at a time.