R E V I E W NAME ____________________________________ LAB TIME/DATE _______________________ S H E E T EXERCISE 27 Print Form Functional Anatomy of the Endocrine Glands Gross Anatomy and Basic Function of the Endocrine Glands 1. Both the endocrine and nervous systems are major regulating systems of the body; however‚ the nervous system has been compared to an airmail delivery system and the endocrine system to the pony express. Briefly explain this comparison. The nervous system employs
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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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|0.0/2.0 | | |Correct Answer(s): |A | [pic] 7. Body chemicals that regulate sleep‚ moods‚ hunger‚ and stress are called: [pic]A) the HPA axis [pic]B) the brain stem [pic]C) hormones [pic]D) adrenal glands |Points Earned: |2.0/2.0 | | |Correct Answer(s): |C | [pic] 8. The term gonads refers to: [pic]A)
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However‚ the behavior can change which creates the contrast from heredity and such cases arise in the case of the changes in the hormonal balance in the body because of diet changes. The smallest of the endocrine gland which is located in the brain‚ is the pineal gland. The gland is responsible for when a person sleeps and wakes by releasing the hormone name melatonin. Genes which give us different heredity characteristics do have an effect on our behavior; but not on a single gene. Behaviors
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cells make up any glands within the body. These include sebaceous glands of the skin and glands in the intestinal lining (exocrine glands)‚ and many of the endocrine glands releasing hormones‚ such as the thyroid follicle. The function of glandular epithelial cells is directly related to their location. Exocrine glands hold secretions for linings and coverings of the body until the secretions are needed‚ at which time the cells follow the above secretion mechanisms. Endocrine glands
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neurotransmitters. Neurotransmitters travel across a narrow space (the synaptic cleft) and bind to receptors on the target cell. The nervous system conducts signals much quicker than the endocrine system. Endocrine Vs Exocrine glands Endocrine glands do not have ducts. Exocrine glands have ducts that carry their secretions to specific locations. Two Kinds of Hormones Peptide Hormones Peptide hormones are composed of amino acids. A peptide hormone binds to a cell-surface receptor‚ it does not enter the
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influenced by heredity and hormones. There are many parts to this‚ such as the endocrine system‚ glands that secrete hormones‚ genetics‚ behavior genetics‚ and evolutionary psychology. The following is a closer look at the endocrine system and hormones. The endocrine system works in conjunction with the nervous system using what is termed “chemical conversation.” The endocrine glands release substances referred to as hormones that are released into your bloodstream. Hormones‚ like
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Iodine is an element that is critical for normal function of the thyroid gland‚ which is a key regulator of the body’s basic metabolic rate. Iodine is a micronutrient‚ meaning we require only small amounts of it. For example‚ adults need about 150 micrograms of iodine in the form of iodide ion per day. However‚ an insufficient supply of iodide via diet and drinking water causes the non-cancerous enlargement of the thyroid gland known as goiter. Prolonged lack of iodide can lead to loss of thyroid function
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environment surrounding the cell. Organisms: independent living things‚ simplest forms of independent life are single-celled organisms Multicellular organisms are more complex organisms‚ having many kinds of cells‚ such as muscle cells‚ nerve cells‚ and gland cells. During the development of multicellular organisms‚ each cell differentiates or becomes specialized to carry out a particular function; body is made up
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reach all parts of the body But only certain types of cells (target cells) are equipped to respond Q Two systems act individually and together in regulating an animal’s physiology Endocrine system Constituted by hormone–secreting cells and glands Secretes hormones that coordinate slower but longer-acting responses to stimuli “ductless” 升糖激素 Two systems act individually and together in regulating an animal’s physiology Nervous system Conveys high-speed electrical signals along specialized
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