Human Body

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Human Body

is an Organ?

organ is made up of the same type of tissues, which are well-organized to perform specific functions in all living things, including plants, animals, birds, insects, reptiles, mammals and humans.

ans collectively form organ systems. These organs are macroscopic in structure. The brain, heart, lungs, liver, kidneys are a few examples of organs.

The human body is mainly composed of trillion cells which are considered as the fundamental unit of life. The group of similar cells with similar functions forms a tissue. These tissues combine together to form organs and form an organ system, which finally gives rise to an individual.

Importaint Points About Human Body

• The largest organ in the body is the skin.
• liver is the largest gland and the largest internal organ in the human body.
• The brain uses over a quarter of the oxygen used by the human body.
• Our heart beats around 100000 times a day, 36500000 times a year and over a billion times if you live beyond 30.
• Length of thumb is the same with nose.
• Red blood cells carry oxygen around the body. They are created inside the bone marrow.
• It takes about 20 seconds for a red blood cell to circle the whole body.
• The biggest muscle in the body is gluteus maximus, in the buttock.
• The lungs contain over 300,000 million capillaries. If they were laid end to end, they would stretch 2400km.human-body
• Every drop of blood in human body is filtered by the body over 300 times a day.
• The ovum is the largest cell in the human body.
• The smallest is the male sperm cell; it is one-tenth of the diameter of a human hair.
• Adult lungs have a surface area of around 70 square meters.
• The stapes is the smallest bone in the body. It's located in the inner ear.
• The acid in stomach is strong enough to dissolve razor blades.
• Nose and Ears continue growing throughout entire life.
• Each person has a unique tongue print just like the fingerprints.
• The longest muscle in the body is Sartorius.
• The smallest muscle in the body is Stapedius, deep in the ear. It is thinner than a thread and 0.05 inches (0.127 centimeters) in length.
• Enamel is hardest substance in the human body.
• All babies are color blind when they are born, they only see black & white.
• The tongue is the strongest muscle in the human body.
• It takes 17 muscles to smile and 43 to frown.
• The adult body is made up of: 100 trillion cells, 206 bones, 600 muscles, and 22 internal organs.
• Bones in an adult account for 14% of the body's total weight.
• A baby born with 300 bones in their body, but as an adult we have 206 bones.
• 200 muscles used to take one step.
• The strongest bone in your body is the femur (thighbone) and it's hollow. It is also the longest and largest bone in Human body.
• The normal pulse is 70 heartbeats per minute.
• Blood is 6 times thicker than water.
• Facial hair grows faster than any other hair on the body.
• Our kidneys filter about 1.3 liters of blood every minute & expel up to 1.4 liters of urine in a day.
• The only part of the body without blood supply is the cornea in the eye. It takes in oxygen directly from the air.
• An average human produces 10,000 gallons of saliva in a lifetime.
• The fastest growing nail is on the middle finger.
• 14 bones make up the human face.
• The human heart creates enough pressure while pumping to squirt blood to 30 feet.
• The tooth is the only part of the human body that can’t repair itself.

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