Which body part is hard?

Your teeth contain the hardest substance in the human body — your enamel.
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What is the hardest on your body?

1. Tooth enamel is the hardest substance in the body. The shiny, white enamel that covers your teeth is even stronger than bone. This resilient surface is 96 percent mineral, the highest percentage of any tissue in your body – making it durable and damage-resistant.
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Which is the hardest part in the human body answers?

The Hardest Tissue in the human body is the Enamel. Anatomically, the enamel is the hardest tissue in the human body.
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What is the hardest part of the male body?

Your penis is made of 3 layers of spongy tissue. When you get turned on, blood fills these tissues. This makes your penis get harder and stand up, which is also called getting an erection or hard-on. The average size of an adult erect (hard) penis is 5 to 7 inches long.
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What is the second hardest thing in your body?

After diamonds, enamel is the second hardest compound in the world. It's no surprise, then, that tooth enamel is the number one strongest substance in your entire body.
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Heart Dissection GCSE A Level Biology NEET Practical Skills



Which is the softest part of human body?

Complete answer:

Muscle, tendons, ligaments, fat, fibrous tissue, lymph and blood vessels, fasciae, and synovial membranes are all examples of soft tissue that connects, surrounds or supports internal organs and bones. Fats are widely regarded as the softest tissues.
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How hard are bones?

Ounce for ounce, bone is stronger than steel. One cubic inch of bone can withstand the weight of five standard pickup trucks, give or take a few pounds. If you're looking for the specifics to snap a piece of your skeleton, it takes about 4,000 newtons of force to break the typical human femur.
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Where is sperm stored?

Along the top of each testicle is the epididymis. This is a cordlike structure where the sperm mature and are stored.
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What is hard about being a boy?

Here's what it's like to be a boy in America today. Boys drop out of school, are considered emotionally disturbed, and commit suicide four times as often as girls; they get in twice as many fights; they murder 10 times more frequently; and become the victim of a crime 15 times more often.
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What is this sperm?

sperm, also called spermatozoon, plural spermatozoa, male reproductive cell, produced by most animals. With the exception of nematode worms, decapods (e.g., crayfish), diplopods (e.g., millipedes), and mites, sperm are flagellated; that is, they have a whiplike tail.
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What body part is the strongest?

2) Human thigh bones are stronger than concrete.

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.
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How strong is the human body?

A cubic inch of bone can in principle bear a load of 19,000 lbs. (8,626 kg) or more — roughly the weight of five standard pickup trucks — making it about four times as strong as concrete. Still, whether or not bone actually withstands such loads depends heavily on how quickly force is delivered.
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What is the hardest part of the human skull?

There are 22 bones in the human skull. The hardest bone in the human body is the jawbone.
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Is the top of the head the hardest part of the body?

Unlike most bones in your body, your skull doesn't have bone marrow. This makes the skull very strong and difficult to break.
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How can a girl act like a boy?

Be confident.
  1. Stand up straight, keep your head and chin up, and look ahead instead of at the ground.
  2. Make eye contact with people.
  3. Speak slowly and clearly when you talk.
  4. Don't fidget.
  5. Keep your arms at your sides instead of crossed in front of you.
  6. At work, don't be afraid to speak up if you have a good idea.
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What are the benefits of being a girl?

14 Clear Advantages Of Being A Woman
  • Makeup. ...
  • You're allowed to cry. ...
  • You get better public restrooms than men do. ...
  • People are far less likely to consider you a pervert. ...
  • You can always find some sucker to buy you things. ...
  • You are far less likely to die on the job than men are. ...
  • You will never have to change a flat tire.
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How many genders are there?

There are many different gender identities, including male, female, transgender, gender neutral, non-binary, agender, pangender, genderqueer, two-spirit, third gender, and all, none or a combination of these.
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At what age can a boy get a girl pregnant?

Boys are able to get a girl pregnant when they begin to produce sperm in their semen. This generally begins when they start puberty, which can be from ages 11 to 14. Until puberty begins, males are unable to get a female pregnant.
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What is female sperm called?

They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome.
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How many minutes does it take a man to release sperm?

During sexual intercourse, most men ejaculate between 5-10 minutes and research has shown the average time to ejaculate after penetration is 5 1/2 minutes. Usually, ejaculation less than 1 to 1 1/2 minutes after penetration is regarded as premature ejaculation.
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How hard are teeth?

According to the Mohs Hardness Scale, tooth enamel earns a 5. That means it's about as hard, or harder, than steel. For reference, diamonds are the strongest substance on earth, ranking 10 on the Mohs scale.
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Are teeth bone?

Teeth and bones look similar and share some commonalities, including being the hardest substances in your body. But teeth aren't actually bone. This misconception might arise from the fact that both contain calcium. More than 99 percent of your body's calcium can be found in your bones and teeth.
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How hard is the human skull?

Turns out the human skull can withstand 6.5 GPa of pressure, while oak holds up under 11, concrete 30, aluminum 69 and steel 200.
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What's the softest part of your head?

The pterion is known as the weakest part of the skull. The anterior division of the middle meningeal artery runs underneath the pterion.
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What are delicate organs?

> There are several important and delicate organs like spinal cord, heart, lungs, brain etc. in our body protected by bones.
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