The endocrine system is one of our body systems that plays an important role in living. It comprises of many glands exerting hormones in maintaining the body’s internal environment also known as homeostasis. The endocrine system plays an important role in homeostasis because it maintains growth and development‚ maturation‚ reproduction‚ human behavior‚ metabolism‚ sexual function and controls functions of the tissues. It is partnered with the nervous system since the hypothalamus along with the pineal
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What are hormones? 3. What do hormones influence? 4. How are hormones delivered from endocrine glands to their target organs? 5. Two categories of hormones are ________________ and __________________. 6. Why must insulin be injected‚ yet birth control hormones can be taken orally? 7. How does the control of hormone levels work by negative feedback? Give an example. 8. How are the actions of a hormone controlled by the presence of an antagonistic hormone? Give an
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Endocrine System Is a group of specialized organs and body tissues that produce‚ store‚ and secrete chemical substances known as hormones. As the body’s chemical messengers‚ hormones transfer information and instructions from one set of cells to another. Because of the hormones they produce‚ endocrine organs have a great deal of influence over the body. Among their many jobs are regulating the body’s growth and development‚ controlling the function of various tissues‚ supporting pregnancy
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transmitters‚ signals and receivers that are called‚ respectively‚ hormone producing cells‚ hormones and receptors. The first step in understanding endocrinology is to explore the meaning of such terms as hormone‚ receptor and target cell‚ and to obtain an understanding of how chemical communication is controlled | Hormones‚ Receptors and Target Cells | What exactly are hormones and how are they different from "non-hormones"? Hormones are chemical messengers secreted into blood or extracellular
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some research and fill in the data table below. Hormone Functions Adrenocorticotropic hormone (ACTH) Stimulates the adrenal cortex‚ it also stimulates secretion of glucocorticoids. Antidiuretic hormone (ADH) Helps maintain blood pressure‚ blood volume and water content by controlling the concentration of urine made by the kidneys. Follicle stimulating hormone (FSH) It regulates the functions of both the ovaries and testes. Growth hormone (GH) Helps to maintain normal body structure and
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The Endocrine system helps to maintain homeostasis by secreting hormones into the bloodstream‚ which travels throughout the body. This system regulates activities such as growth and development and influence emotions and behavior. The relationship of this system alongside the other body systems is how the body maintain a stable equilibrium‚ regulating the activity of the organ systems. Nervous - The endocrine system acts as a communication tool within the human body‚ working alongside with the nervous
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the hypothalamus; oxytocin and anti-diuretic hormone (ADH); released on demand in response to nerve impulses from hypothalamic neurons. Anterior Lobe (Adenohypophysis) – composed of glandular tissue; manufactures and releases its own hormones as a result of stimulation by releasing hormones from the hypothalamus; called the master endocrine gland; releases 6 hormone products which all function via second messenger systems. Four of the six are hormones that regulate the functioning of other endocrine
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homeostasis. 2. Consider the following diagram of the human endocrine system: [pic] a. Label each number with the appropriate term. b. Which numbered structure produces hormones that regulate blood sugar levels? c. Which numbered structure produces hormones that stimulate egg production? d. Which numbered structure is directly involved in the “fight or flight” response? 3. Explain the differences and similarities between the nervous
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effects d. hormones: slower in onset‚ systemic in bloodstream‚ sustained effects 2. The area of the brain that is involved in regulating “primitive” functions like water balance‚ appetite‚ etc is the hypothalamus. It has both anatomic and functional connections to the pituitary gland or hypophysis by a narrow stalk‚ the infundibulum. The adenohypophysis or anterior
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The endocrine system The endocrine system is a collection of ductless glands which are positioned through the whole body. The endocrine glands pass their secretions of hormones directly into the blood stream so that they are always adjacent to blood vessels. Hormones are chemicals in the body produced and secreted in the body that regulate the function of a particular tissue or organ (Bing dictionary). These chemical messengers transfer information from one set of cells to another. Despite many
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