What is the hardest thing for the human body to do?

Tooth enamel is your teeth's first line of defense against plaque and cavities. It is the white, visible component of the tooth, as well as the human body's toughest part.


What is the hardest thing on your body?

Tooth enamel is the first line of defense your teeth have against plaque and cavities. It is the white, visible part of the tooth and it is also the hardest part of the human body.

Which is the second hardest part of human body?

Note: After enamel, the hardest substance in the human body is the bone. Bone is made up of calcium phosphate and collagen. Enamel is the second hardest substance in the whole world after the diamond.


What is the hardest part of the human body to draw?

Even with a solid basic knowledge of human anatomy, drawing hands (and feet) remains very difficult. Many artists learn to draw fluid and natural figures, but they have block-like, stiff appendages.

Which part is weakest in human body?

The Stapedius, the smallest skeletal muscle in the human body, which is about 1 mm in length, is regarded to be the weakest muscle.


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Which body system is hardest to learn?

Students enrolled in this undergraduate human anatomy course overwhelmingly reported that the nervous system was the most difficult organ system to learn due to issues relating to its complex structure-function relationships.

What is the softest part of our body?

  • Fat is generally considered to be the softest tissue.
  • Soft tissues are distributed throughout the body and come in many types, including muscle, fat, blood, fibrous tissue, and lymphatic vessels.
  • The main function of these soft tissues is to buffer, surround, support, and provide links between tissues in the body.


What organs work the hardest?

Of all the organs in the human body, the heart is without a doubt the hardest worker. Beating an average of 72 times per minute, it's responsible for pumping 2,000 gallons or more of blood through the body each day.


What is the hardest bone to break in the human body?

The thigh bone is called a femur and not only is it the strongest bone in the body, it is also the longest. Because the femur is so strong, it takes a large force to break or fracture it – usually a car accident or a fall from high up. To fix it properly requires an operation.

What is harder than a bone?

Although paper-thin, the enamel that covers your teeth is much stronger than your bones. In fact, the only substance on earth that is stronger than enamel is diamond. Your Waco dentist Dr.

Which body part is harder than gold?

At a level 5, this means your tooth enamel is harder than gold, silver, iron, or steel. Not only that, your tooth enamel is the hardest substance in your entire body.


What things are impossible to do with body?

Top 10 Things Most Humans Can't Do With Their Body
  • 1 Lick your elbow. ...
  • 2 Tickle yourself. ...
  • 3 Sneeze with your eyes open. ...
  • 4 Put your legs around your neck. ...
  • 5 Perform oral sex on yourself. ...
  • 6 Raise your eyebrow. ...
  • 7 Tongue tricks. ...
  • 8 Touch the tip of your tongue to your nose and chin.


What is the easiest broken bone?

Clavicle. The clavicle, more commonly called the “collarbone”, is one of the most frequently fractured bones in the body. In fact, it's the most common site for a fracture in children. Clavicle fractures can happen to infants during birth as they pass through the birth canal.

What is the painful bone to break?

Your femur is located in your thigh, running from your hip to your knee. It's long and strong and hurts like heck when you break it. In addition to being one of the most painful breaks, a broken femur can damage the large arteries in the leg and cause severe bleeding.


What is the strongest muscle?

The strongest muscle based on its weight is the masseter. With all muscles of the jaw working together it can close the teeth with a force as great as 55 pounds (25 kilograms) on the incisors or 200 pounds (90.7 kilograms) on the molars.

What is the laziest organ?

The brain is one of the busiest (second only to the liver) and the laziest organs in our entire body. Our brains tend to focus on things which make it feel good, keeping us in our comfort zone.

What organs cant live without?

Seven Body Organs You Can't Live Without
  • Spleen. This organ sits on the left side of the abdomen, towards the back under the ribs. ...
  • Stomach. ...
  • Reproductive organs. ...
  • Colon. ...
  • Gallbladder. ...
  • Appendix. ...
  • Kidneys.


What is the heaviest organ?

The largest solid internal organ is your liver. It weighs approximately 3–3.5 pounds or 1.36–1.59 kilograms and is about the size of a football. Your liver is located beneath your rib cage and lungs, in the upper right area of your abdomen.

What is the softest part of a girl?

The clitoris was the most sensitive to vibration out of all the body parts. Overall, the researchers found that the genitals are more sensitive to pressure and vibration compared to light touch, which they found “interesting” because people enjoy sex and sex toys.

What is the hardest bone?

The femur is also the strongest bone in your body.


What is the most delicate organ?

We must remember that the most delicate organ in the human body is the brain. Brain is one of the largest and most complex organs of the human body and is made up of more than 100 billion nerves. Brain controls speech, thought, memory, movement and helps in the functioning of many organs in the human body.

What's the 3rd hardest language to learn?

The Hardest Languages To Learn For English Speakers
  1. Mandarin Chinese. Interestingly, the hardest language to learn is also the most widely spoken native language in the world. ...
  2. Arabic. ...
  3. Polish. ...
  4. Russian. ...
  5. Turkish. ...
  6. Danish.


Which is the hardest thing to learn in the world?

Medicine. It's no secret that Medicine is one of the hardest degrees in the world, not least because courses are so competitive. UCAS figures show that 29,710 people applied to study medicine in the UK in 2022.


What is the least important body system?

The appendix may be the most commonly known useless organ.

Many years ago, the appendix may have helped people digest plants that were rich in cellulose, Gizmodo reported. While plant-eating vertebrates still rely on their appendix to help process plants, the organ is not part of the human digestive system.

At what age do bones stop growing?

Between 17 and 25 years, normal growth stops. The development and union of separate bone parts is complete. At this point, you and your skeleton are as tall as you are going to get - with many fewer bone parts than you started with!
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