Glands & Hormones

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Sweat, also called perspiration, is a fluid produced by the sweat glands made up of water, minerals, lactate and urea. The minerals that make up sweat can vary from person to person depending on a number of factors. This fluid is used by the body to help cool it when heat builds up inside.

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  • What is the function of the mammillary bodies?

    Q: What is the function of the mammillary bodies?

    A: Although studies into the structures is causing some scientists to question human understanding of them, mammillary bodies primarily act as relays for impulses that travel through the brain. Additionally, the bodies appear to be very important in forming and recalling memories. Destruction or injury to these portions of the brain is often associated with amnesia.
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  • How many glands does the human body have?

    Q: How many glands does the human body have?

    A: The human body contains as many as nine ductless glands and five ducted glands, depending on gender and physiology. These 14 major glands are essential for conducting a wide range of key biological processes.
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  • How does sweat cool you down?

    Q: How does sweat cool you down?

    A: Sweat uses evaporative cooling to maintain body temperature. As liquids evaporate, they shed molecules into the air. The liquid changes into a gas, drawing heat from the liquid. The process draws heat from the body. Evaporation also cools the remaining liquid because faster-moving hot molecules are more likely to escape into the air, according to HowStuffworks.
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  • What results from increased insulin?

    Q: What results from increased insulin?

    A: According to Web MD, consequences of having too much insulin circulating in the bloodstream include hypoglycemia or low blood sugar, dizziness, shakiness, sweating and irritability. In severe cases, increased levels of insulin cause fainting and unconsciousness, seizures and coma. Severely elevated insulin levels are most often experienced by diabetic patients who overdose on their insulin injections.
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  • What hormone does the thymus gland produce?

    Q: What hormone does the thymus gland produce?

    A: The thymus gland produces the hormone Thymosin, which stimulates the production of antibodies. The Thymus also creates T-lymphocytes, which are white blood cells used to combat infection and abnormal cells, and Thymopoietin, which is a protein present in mRNA.
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  • How do you speed up your thyroid?

    Q: How do you speed up your thyroid?

    A: According to The Dr. Oz Show, speeding up the metabolism can be done by eating foods rich in iodine and avoiding foods known as goitrogens, which slow down the metabolism. Working out every day and enhancing thyroid function with supplements also helps to increase the thyroid function.
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  • What makes people cry?

    Q: What makes people cry?

    A: Crying is a release of built up emotions and is a way for the emotions to come out of the body in physical form. People generally cry when they are happy, sad, in awe of something or otherwise overwhelmed by a large amount of any emotion.
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  • What is the largest gland in the human body?

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

    A: The liver is the largest gland in the human body. It is also an essential organ of the digestive system and has a wide array of functions.
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  • What organ produces estrogen?

    Q: What organ produces estrogen?

    A: Estrogen is produced in the egg follicle and interstitial cells of the ovaries, according to the Encyclopædia Britannica. The placenta is another major source of estrogen, with adrenal glands and male testes secreting small amounts of estrogen as well.
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  • What is the main function of testosterone?

    Q: What is the main function of testosterone?

    A: Testosterone is the primary male sex hormone, and its main function is to control male physical features. This hormone is created in the testes, and testosterone helps transform a boy into a man. Testosterone deepens the voice, builds muscle, strengthens bones, increases penis size and produces body hair, such as facial hair and pubic hair. Women also produce testosterone; however, women produce the hormone in much smaller amounts.
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  • Why is the endocrine system important?

    Q: Why is the endocrine system important?

    A: According to TeensHealth, the endocrine system is important because it regulates tissue function, mood, metabolism, growth and development, sexual function and reproductive processes. It influences nearly all cells, organs and functions of the human body. It is responsible for body processes that occur slowly, such as cell growth.
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  • How do sweat glands regulate body temperature?

    Q: How do sweat glands regulate body temperature?

    A: According to the Encyclopaedia Britannica, sweat glands regulate body temperature by secreting water onto the surface of the skin where heat is then removed by evaporation. There are two types of sweat glands found only in mammals, the eccrine sweat glands and the apocrine sweat glands. The eccrine sweat glands are controlled by the sympathetic nervous system and are responsible for regulating body temperature.
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  • What causes sweating under the arms?

    Q: What causes sweating under the arms?

    A: The human body contains two types of sweat glands: apocrine and eccrine. Apocrine glands are found in the armpit and the groin and increase sweat production in response to emotion, stress and hormones. Eccrine glands are found all over the body and secrete sweat through pores directly onto the skin's surface, cooling the body through evaporation. Both apocrine and eccrine glands cause underarm sweating.
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  • Where are the lymph nodes located?

    Q: Where are the lymph nodes located?

    A: There are hundreds of lymph nodes throughout the human body, mainly located in the head and neck region according to Mayo Clinic. However, lymph nodes are also found in the arms, legs, abdomen and groin area of the body.
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  • Q: How can you raise your testosterone?

    A: When deemed medically necessary, testosterone levels are typically raised through testosterone replacement therapy, but there are natural ways to boost testosterone such as exercise and diet modification, according to Healthline. There are multiple forms of testosterone replacement therapy, including gels, patches and injections.
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  • Q: Are shotty lymph nodes normal?

    A: According to NCBI Bookshelf, shotty lymph nodes in the lower lateral areas of the abdomen are a normal phenomenon in adults. The firm but not fixed nodes, which are less than 1 centimeter in diameter, occur following the recurrent infection or trauma to the feet and legs.
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  • Q: What are the effects of female hormones on men?

    A: The impact of female hormone therapy on the male body includes the growth of breast tissue, a softening of the skin, a reduction in body hair growth, changes in fat distribution and muscle mass, changes in the genital region, and infertility, notes TransGenderCare.
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  • What glands are located in the neck?

    Q: What glands are located in the neck?

    A: One gland that's located in the neck is the thyroid gland, according to MedicineNet. This a gland that produces hormones that control the body's metabolism, including the heart rate, temperature and blood pressure. Thyroid hormones also play a part in the growth and development of children.
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  • Q: What is the function of the relaxin hormone?

    A: The function of the relaxin hormone is to help the birth process by softening and lengthening of the cervix. Additionally, it relaxes the pubic symphysis, the cartilaginous joint in the pubic bones. This allows the pubic bone to spread and allow the baby to pass through the birth canal. In pregnancy, relaxin is released by the placenta.
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  • Q: What is the chemical nature of hormones?

    A: The chemical nature of hormones is steroids, peptide and protein hormones and amino acid derivatives. Hormones travel throughout the body controlling important processes, such as fertility, metabolism and growth.
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  • Q: What are the signs and symptoms of a female with a hormone imbalance?

    A: Symptoms of female hormone imbalance include hot flashes, joint pain, low libido, fatigue, depression and diarrhea, explains Dr. Mehmet Oz. Additional symptoms include night sweats, mood swings, memory problems and sensitivity, notes WebMD.
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