the osmolality constant. In humans the kidney plays a huge part in the osmoregulation of the body’s internal environment. Regulation of water in the human body is carried out through the excretion of waste urine from the body. Hormones which include: the antidiuretic hormone‚ aldosterone and angiotensin II are used in the body to help to increase the permeability of the collecting ducts found in the kidney. This further allows diffusing to occur easily‚ it also allows the kidney to be able to reabsorb
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Hyperthyroidism What is hyperthyroidism? Hyperthyroidism is a medical condition characterized by hyperactivation of the thyroid gland and release of excess thyroid hormone. The thyroid gland plays a critical role in the body’s metabolism – excess thyroid hormone results in an increased metabolic rate. This leads to features such as anxiety-agitation‚ palpitations‚ tremor‚ weight loss‚ sensitivity to heat‚ insomnia‚ increased heart rate (tachycardia)‚ and diarrhea. Serious long-term effects may
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Mary the Nursing Student Mary is 39 -year-old LPN and single mother who is attending a local community college to prepare for an A.S. degree in nursing so she can then become an RN. Mary has not been feeling well for several months. She has had bouts of nausea‚ a low fever‚ and has found that she no longer enjoys eating and smoking as much as she used to. She has also noticed that her urine is darker than usual and she has yellowing of her eyes. She has noted that she has a puffy appearance
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A&P Reproduction hormones-secreting organ‚ target‚ fx *Hormone chart* Divisions of pituitary glands‚ hormones secreted by each Anterior Pituitary (adrenohypophysis) GH-Growth Hormone Prolactin ACTH-Adrenocorticotropic hormone FSH-Follicle-stimulating hormone LH-Luteinzing hormone Posterior Pituitary (neurohypophysis) ADH-Antidiuretic hormone Oxytocin Structures of Male & Female Reproductive Organs Males: Vas Deferens Urethra Penis Glans Penis Prepuce (foreskin) Seminal Vesicle
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ADDISON ’S DISEASE 2 Abstract Addison ’s disease is a disorder that occurs when a person ’s adrenal glands produce insufficient amounts of certain hormones. When Addison ’s diseased was first discovered the endocrine system was not yet completely understood therefore the disease itself was for the most part fatal. After years of research and medical breakthroughs Addison ’s disease is now a disease
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person’s mental and physical wellbeing is referred as stress. Stress can be considered as stimulus wherein a person reacts in a different way (Niven‚ N. 1994). In stressful circumstances‚ The body react if there are build ups in the production of hormones like adrenalin and cortisol that yields an alteration of heart rate and metabolism to make better performance (Peters‚ M. 2006). Stress reaction is triggered when there is an activation of stressor in the hypothalamus. In this essay the stressor
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would develop into females unless they are masculinised by the Y chromosome. Hormones: After the sex chromosomes‚ the hormones provide the main biological influences on sexual differentiation. Males and females produce androgens The male hormone is testosterone The female hormones are oestrogen and progesterone Hormone levels can be taken as a measure of masculinisation and feminisation Under/over exposure to hormones during the critical period (6 to 8 weeks) can affect later gender related behaviour;
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These hormones especially affect the brain. It can take a very long time for a mother to get used to the higher level of hormones in the system. As a result‚ mood swings can be very common. The vast majority of pregnant women will experience “morning sickness.” Morning sickness can be defined as “a feeling of nausea
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The determination of gender identity is much deeper than whether a person is born a male or a female. The exact identifier that separates gender identity is currently unknown but researchers believe that genetics‚ hormones‚ reproductive organs‚ biological‚ and environmental factors all play a role in distinguishing a person’s gender identity. A person’s physical gender and their sense of gender are formed at two different times in two different parts of the body. A person’s gender is whether they
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Date : ECT (NA) QB /XIII-XIV J-03 Science(Bio) CONTROL & CO-ORDINATION Q.1 Name the fundamental unit of nervous system. Q.2 What are the main parts of nervous system in higher invertebrates? Q.3 What are photoreceptors? Q.4 What are olfactoreceptors? Q.5 What are phonoreceptors? Q.6 Name the other system besides nervous system in the body of higher animals. Q.7 What is a neuron? Q.8 What are receptors? Q.9 Mention the receptors
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