Human Anatomy

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To reduce the size of upper arms, train the upper arms with both isolation and compound exercises using either body weight exercises or traditional training exercises. Eliminate upper arm flab by hitting the punching bag as it helps burn fat and tone muscles in that area. To get the best results, it is important to tighten daily diets and achieve overall weight loss.

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  • What is a nasal passage?

    Q: What is a nasal passage?

    A: The nasal passage is a channel wherein air flows through the nose. Respiratory mucous membranes with many hair-like cells line the walls of this passage.
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  • What are the parts of the human leg?

    Q: What are the parts of the human leg?

    A: Parts of the human leg are bones, muscles, tendons, ligaments, nerves and blood vessels. The bones of the leg, from top to bottom, are the femur, a long bone with a ball-shaped head that fits into the socket of the hip bone. The lower end of the femur lies above the patella, which lies behind the knee.
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  • Where is the torso located on the body?

    Q: Where is the torso located on the body?

    A: In the bodies of humans, as well as many animals, the torso or trunk, is the area of the body that contains the chest and abdomen, and includes the area of the body between the neckline and pelvis, excluding limbs. The torso includes internal and external features of the human body, such as important organs like the kidney, heart, lungs and liver, the skin and several types of muscles. These skeletal components work together to carry out many critical life functions, such as respiration, digestion and reproduction.
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  • What is the hardest tissue in the body?

    Q: What is the hardest tissue in the body?

    A: According to WebMD, the hardest tissue in the human body is tooth enamel. Tooth enamel is the thin, hard, white covering that protects the dentin of the teeth.
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  • What is the length of an average walking stride?

    Q: What is the length of an average walking stride?

    A: The length of an average walking stride is 62 inches. People frequently mistake stride for step length, or wrongly assume they are one in the same. Step length is defined as the distance between the heel strike of one foot and the heel strike of the opposite foot. On the other hand, stride refers to the consecutive heel strikes of the same foot.
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  • How many muscles are there in a human body?

    Q: How many muscles are there in a human body?

    A: According to the Library of Congress, the human body has at least 650 skeletal muscles and as many as 840 depending on what counts as a muscle. Some sources count complex muscles as a single muscle, while others count complex muscles' individual parts as separate muscles, which leads to dissent.
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  • What is the fastest healing part of the body?

    Q: What is the fastest healing part of the body?

    A: The fastest healing part of the body is the tongue. This is due to the rich supply of blood the tongue receives, making it able to heal twice as fast as any other part of the body. This includes taste buds, which is why someone can burn taste buds eating hot food and later be able to taste perfectly fine because the taste buds have quickly healed.
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  • What part of the brain controls sight?

    Q: What part of the brain controls sight?

    A: Located at the back of the brain, the occipital lobes are the part of it responsible for sight. They are part of the cerebral cortex. The temporal lobes and the parietal lobe also play a role in visual perception.
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  • Why do people snort when they laugh?

    Q: Why do people snort when they laugh?

    A: People snort when they laugh because they are also exhaling through the nose. The snorting sound, similar to snoring, is caused by an obstruction in the airway as the breath is exhaled.
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  • What are sensory skills?

    Q: What are sensory skills?

    A: Sensory skills are the act of seeing, smelling, touching, tasting and hearing to better engage in daily activities. According to the Public Broadcasting Service, sensory skills are vital to a child's development and help people of all ages perceive their surroundings.
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  • What is the function of the uvula?

    Q: What is the function of the uvula?

    A: Although there is some uncertainly regarding the function of the uvula, experts believe that this small flap-like structure in the back of the throat plays important roles in speech and swallowing. The uvula contains glands that secrete a large amount of saliva, which aids in digestion, keeps the mouth moist and prevents airborne pathogens from entering the respiratory canal.
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  • What is the largest vein in the human body?

    Q: What is the largest vein in the human body?

    A: The two largest veins in the human body are the superior and inferior vena cavae. These veins, which are roughly the same size, are the final conduits for deoxygenated blood before it is returned to the heart.
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  • Do eyes grow after birth?

    Q: Do eyes grow after birth?

    A: According to the Chicago College of Medicine, eyes do continue to grow after birth. A newborn's eyes are about 75 percent the size they are going to be when fully grown.
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  • What is the function of joints?

    Q: What is the function of joints?

    A: A joint's function is to bear weight, perform work and exhibit a particular range of motion during movement where two or more bones come together for the purpose of movement. A joint moves when the muscles crossing it contract.
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  • What causes flushed cheeks?

    Q: What causes flushed cheeks?

    A: According to the National Health Service of the U.K., flushed cheeks, or "blushing," is a result of the involuntary nervous system responding to stress or embarrassment. Your face muscles relax, which allows your face's blood vessels to expand and take in more blood, causing the reddish hue of blushing.
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  • How many times do you blink in a day?

    Q: How many times do you blink in a day?

    A: The average person blinks 21,600 times per day. Typically, a person blinks every four seconds, adding up to 15 blinks per minute and 900 blinks per hour. Weekly, the average person blinks 151,200 times. That adds up to nearly 8 million blinks per year.
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  • How long does it take for water to get to the bladder?

    Q: How long does it take for water to get to the bladder?

    A: On average, it takes the human body approximately two to three hours to excrete a liter of water through the bladder. This is dependent on several factors, including the absorption of water, the components in the water, if dehydration is present, the time of day and the general health of the person.
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  • What causes lack of oxygen?

    Q: What causes lack of oxygen?

    A: Lack of oxygen, or hypoxia, can be caused by a wide range of medical and environmental factors. Externally, lack of oxygen is usually the result of exposure to low-oxygen environments, such as those at high altitudes. This is why the FAA recommends that pilots use supplemental oxygen for altitudes over 10,000 feet in the day and 6,000 feet at night, according to About.com.
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  • What causes a body to jerk during sleep?

    Q: What causes a body to jerk during sleep?

    A: According to the National Institute of Neurological Disorders and Stroke (NINDS), the sudden, involuntary jerking of a muscle or group of muscles while drifting off to sleep is called myoclonus. It is caused by sudden muscle contractions, also known as positive myoclonus, or muscle relaxation, which is referred to as negative myoclonus. Myoclonic jerks may occur alone or in sequence, in a pattern or without pattern.
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  • What is a high instep?

    Q: What is a high instep?

    A: A high instep is a type of foot structure in which the arch of the foot does not fall flat when bearing weight. This condition, also known as a supinated foot and Pes Cavus, occurs in about 8 to 15 per cent of the population, according to MedicMD.
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  • Why do fingernails bend?

    Q: Why do fingernails bend?

    A: Fingernails bend easily if they are weakened by environmental damage, poor nutrition or illnesses. Healthy fingernails are supposed to be strong and firm and should not bend or break easily. A person with weak fingernails has a number of factors to consider in order to determine the exact cause.
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