What Do You Know About The Human Anatomy?

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| By Dkwasi

Dkwasi

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Quizzes Created: 17 | Total Attempts: 17,422

| Attempts: 437

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1/10 Questions

How many different scents can your nose identify?
- 50,000
- 10,000
- 4
- 12

About This Quiz

The Human Anatomy is the biological composition of the human body. It is also the study of the human body and its internal organs. How well do you know your body. . .

What Do You Know About The Human Anatomy? - Quiz

2.

How many particles of skin do humans shed every hour?
- About 10,000
- About 600,000
- About 100
- About 600
Correct Answer

A. About 600,000

Explanation

Humans shed about 600,000 particles of skin every hour. This constant shedding is a natural process called desquamation, where old skin cells are replaced by new ones. The skin is the largest organ in the body and constantly renews itself, with the outermost layer of skin being shed regularly. This shedding helps to keep the skin healthy and allows for the removal of dead skin cells.

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3.

Which is the strongest muscle in the human body?
- Thigh muscle
- Biceps
- Jaw muscle
- Triceps
Correct Answer

A. Jaw muscle

Explanation

The jaw muscle, also known as the masseter muscle, is considered the strongest muscle in the human body. It is responsible for the powerful movement of the jaw during chewing and biting. The masseter muscle is capable of generating a tremendous amount of force, enabling us to break down tough food and exert significant pressure. This strength is necessary for the efficient digestion of food and is essential for our survival.

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4.

Describe the scent given off by sweat itself.
- Pungent
- Rotten egg
- Rose flower
- Odorless
Correct Answer

A. Odorless

Explanation

Sweat itself does not have a distinct scent, which is why it is described as odorless. The smell commonly associated with sweat is actually caused by bacteria on the skin breaking down the sweat, resulting in a pungent or unpleasant odor. Therefore, the correct answer is odorless.

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5.

Which of the following parts of the body never stop growing?
- Ears
- Tibia
- Lips
- Fibula
Correct Answer

A. Ears

Explanation

The ears never stop growing throughout a person's lifetime. As we age, the cartilage in our ears continues to grow and change, causing them to appear larger. This is a natural process and is not influenced by external factors such as weight gain or loss. The growth of the ears is gradual and may not be noticeable until later in life.

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6.

Which other body part is unique in humans apart from fingerprints?
- Nose
- Tongue
- Eyes
- Chest
Correct Answer

A. Tongue

Explanation

The tongue is unique in humans apart from fingerprints because it has a specific pattern of bumps and ridges called papillae, which are different for each individual. This makes the tongue an effective tool for identification purposes, similar to fingerprints. Additionally, the tongue plays a crucial role in speech, taste perception, and swallowing, making it an important and distinct body part in humans.

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7.

How many different colours can the human eye distinguish?
- 100 million
- 50 million
- 10 million
- 5 million
Correct Answer

A. 10 million

Explanation

The human eye can distinguish approximately 10 million different colors. This is due to the presence of specialized cells called cones in the retina, which are responsible for color vision. These cones are sensitive to different wavelengths of light, allowing us to perceive a wide range of colors. However, it is important to note that the ability to distinguish colors may vary among individuals based on factors such as age, genetics, and overall eye health.

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8.

How many megapixels would the human eye have if it were a digital camera?
- 20 MP
- 100 MP
- 48 MP
- 576 MP
Correct Answer

A. 576 MP

Explanation

The human eye does not have a direct equivalent in terms of megapixels since it functions differently from a digital camera. However, it is estimated that the human eye has a resolution equivalent to around 576 megapixels. This estimation is based on the number of photoreceptor cells in the retina, which is approximately 120 million rods and 6 million cones. This high resolution allows the eye to perceive fine details and colors in the visual field.

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9.

In the human body, what percentage of blood and oxygen is used by the brain?
- 20%
- 30%
- 40%
- 50%
Correct Answer

A. 20%

Explanation

The brain is a highly metabolically active organ that requires a constant supply of oxygen and nutrients to function properly. Despite accounting for only about 2% of the body's weight, it uses approximately 20% of the body's total oxygen supply. This high demand for oxygen is necessary for the brain to carry out various cognitive processes and maintain its overall functionality. Therefore, the correct answer is 20%.

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10.

What is the estimated length of the human gastrointestinal tract from the mouth to the anus?
- 20-foot
- 35-foot
- 30-foot
- 10-foot
Correct Answer

A. 30-foot

Explanation

The estimated length of the human gastrointestinal tract from the mouth to the anus is 30 feet. This length includes various organs such as the esophagus, stomach, small intestine, and large intestine. The digestive system plays a crucial role in breaking down food and absorbing nutrients, and the length of the gastrointestinal tract allows for efficient digestion and absorption to take place.

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