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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  • 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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  • 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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  • 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 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 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 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 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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  • 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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  • 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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  • 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 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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  • 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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  • 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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  • Q: What does the thalamus do?

    A: The thalamus is concerned with the motor control that people have over their bodies. It also helps to regulate a person's sleep and wake cycles. It receives signals related to vision, hearing, taste and other bodily sensations, and it sends these signals on the cerebral cortex. However, the thalamus doesn't process the sense of smell. In many ways, the thalamus serves as a relay center for the brain.
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  • Q: What releases histamines and heparin?

    A: Basophils and mast cells secrete histamines and heparin. These immune cells share morphology and function, but basophils are found in the bloodstream while mast cells are embedded in tissues of the body.
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  • Q: What is a natural estrogen hormone replacement?

    A: Natural estrogen hormone replacements are called biodentical hormones and include estriol, estrone and 17 beta-estradiol, according to Harvard Medical School. "Biodentical" means that the hormones precisely match the arrangement of hormones naturally produced by women.
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  • What do swollen glands under your tongue indicate?

    Q: What do swollen glands under your tongue indicate?

    A: Swollen glands under the tongue can indicate a viral or bacterial infection of the sublingual gland, according to MedlinePlus. Such infections are quite common and can be a result of poor hygiene, blocked salivary ducts, dehydration, smoking or chronic illness.
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  • Q: Where is the thymus organ located in the human body?

    A: The thymus gland is a small organ that is situated directly behind the sternum and in the front section of the chest. It is positioned between the lungs and a space in the chest called the mediastinum, which is where a number of lymph nodes, a section of the trachea, the esophagus, part of the aorta and the heart are also located.
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  • What are some facts about the pituitary gland?

    Q: What are some facts about the pituitary gland?

    A: The pituitary gland, known as the "master gland" of the human body, is directly or indirectly responsible for such wide-ranging bodily functions as growth, reproduction, mood, behavior and metabolism. In women, it is responsible for the production of breast milk, opening the birth canal, and regulating the menstrual cycle.
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  • Q: Where is insulin produced in the body?

    A: The pancreas produces insulin. The structures within the pancreas that produce insulin are the islets of Langerhans, located in the beta cells. Insulin is a hormone used to regulate the glucose or sugar levels in the blood.
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