The incomplete development of an organ or tissue usually due to a deficiency in the number of cells. Homeostasis is the body’s attempt to maintain a constant and balanced internal environment, which requires persistent monitoring and adjustments as conditions change. The muscles are deep to the skin, and the skin is superficial to the kidneys. Mammals use layers of fat to achieve the same end; the loss of significant amounts of body fat will compromise an individual’s ability to conserve heat. A group of specialized cells that is capable of producing secretions. The term _______ refers to the entire lower area of the abdomen. Positive feedback loops actually push the organism further out of homeostasis, but may be necessary for life to occur. A malignant tumor that originates in glandular tissue. Epidemic means the ongoing presence of a disease such as the common cold. When a mammal sweats, evaporation removes heat from a surface with a liquid. Ectotherms have developed several behavioral thermoregulation mechanisms, such as basking in the sun to increase body temperature or seeking shade to decrease body temperature. Part of the elbow is formed by the ________ end of the humerus. It may also be the flank or upper quadrant. A sensor, also referred to a receptor, is a component of a feedback system that monitors a physiological value. Homoe – the same Stasis – standing still Dynamic state of equilibrium or balance Homeostatic Control Mechanism Communication within the body is … Heat can be conducted from one surface to another during direct contact with the surfaces, such as an animal resting on a warm rock. (ii)€€€€€damage must be between arms and legs / below arms accept below the waist 1 since information from nerves in arms still reaches the brain / information from the legs doesn’t reach the brain 1 [10] €€€€€€€€€ (a)€€€€ FSH / follicle stimulating hormone allow FHS either order 1 3 LH / luteinizing hormone 1 A benign tumor that arises in or resembles glandular tissue. 5. Which term means inflammation of a gland? Refers to the front or belly side of the body or organ. Positive feedback loops are characterized by their ability to maintain the direction of a stimulus and can even accelerate its effect. Abnormal development or growth, especially of cells, is known as ________. About the Authors; Acknowledgments; Preface; I.Levels of Organisation, Homeostasis and Nomenclature The spread of a disease due to the bite of a vector capable of transmitting that disease. Inferior (or caudal) describes a position below or lower than another part of the body proper; near or toward the tail (in humans, the coccyx, or lowest part of the spinal column). CC licensed content, Specific attribution, http://cnx.org/content/m44733/latest/?collection=col11448/latest, http://en.wikibooks.org/wiki/Human_Physiology/Homeostasis, http://en.wiktionary.org/wiki/homeostasis, http://en.wiktionary.org/wiki/acclimatization, http://cnx.org/content/m44733/latest/Figure_33_03_01.jpg, http://cnx.org/content/m44733/latest/Figure_33_03_02.png, http://en.wiktionary.org/wiki/vasoconstriction, http://en.wiktionary.org/wiki/vasodilation, http://en.wikipedia.org/wiki/Thermoregulation, http://en.wikipedia.org/wiki/Endotherm%252523mediaviewer/File:Homeothermy-poikilothermy.png, http://en.wikipedia.org/wiki/Poikilotherm%23mediaviewer/File:Bgbo_frosch_ies.jpg, http://cnx.org/content/m44733/latest/Figure_33_03_04.png. OpenStax College, Biology. The ‘RibScore’ is an anatomic model that assesses fracture severity. For example, during body temperature regulation, temperature receptors in the skin communicate information to the brain (the control center) which signals the effectors: blood vessels and sweat glands in the skin. An example of one of the roles of homeostasis in the human body is the process of blood sugar regulation, a process well-known among patients dealing with diabetes. Lateral describes the side or direction toward the side of the body. In response to varying body temperatures, processes such as enzyme production can be modified to acclimate to changes in the temperature. Organs are somewhat independent parts of the body that perform specific functions. Brachial: Arm. The defective development or congenital absence of an organ or tissue. Glands that secrete hormones directly into the bloodstream. Endotherms create most of their heat via metabolic processes, and are colloquially referred to as “warm-blooded.” Ectotherms use external sources of temperature to regulate their body temperatures. The enlargement of an organ or tissue because of an abnormal increase in the number of cells in the tissues. The process of bone remodeling is achieved by the cooperative and sequential work of groups of functionally and morphologically distinct … A specialist in the study of the outbreaks of disease is a/an ________, The location of the stomach is __________ to the diaphragm. Produces symptoms for which no physiological or anatomical cause can be identified. Discuss the ways in which the body maintains homeostasis and provide examples of each mechanism. Bones work with muscles and joints to hold our body together and support freedom of movement. There are few examples of positive feedback loops that exist in animal bodies, but one is found in the cascade of chemical reactions that result in blood clotting, or coagulation. … Lateral describes the side or direction toward the side of the body. The pelvis is inferior to the abdomen. Current models use anatomic, physiologic or laboratory parameters in isolation to answer this question. a state of the body win which homeostasis has faltered to to any cause. Anterior aspect of elbow 15. Hyaline cartilage is the most widespread and is the type that makes up the embryonic skeleton. Outline the various types of processes utilized by animals to ensure thermoregulation. Upper arm. A negative feedback system has three basic components ([link]a). and hormones. Describe how the skin helps the body maintains homeostasis when body temperature drops below normal. Which of the following correctly describes systems working together to maintain homeostasis? To do so, the brain sends signals to the heart to speed up or slow down according to the blood pressure. Stem cells potentially have many therapeutic uses, including being transplanted from one individual to another. There are total 11 systems in human body containing their specific organs hence are called as organ systems. Animals with thick fur or feathers create an insulating layer of air between their skin and internal organs. arm- muscles, nerves and blood vessels in the arm. Situated nearest the midline or beginning of a body structure. This is the reason your doctor takes your temperature and blood pressure as part of a routine examination. It’s located behind your ribs, under your diaphragm, and above and behind to your stomach. A genetic disorder in which the essential digestive enzyme phenylalanine hydroxylase is missing. The region of the abdomen that is located below the stomach. Anterior trunk below ribs. Posterior knee. An ectotherm, from the Greek (ektós) “outside” and (thermós) “hot,” is an organism in which internal physiological sources of heat are of relatively small or quite negligible importance in controlling body temperature. Genital area 14. SURVIVAL NEEDS Nutrients Oxygen Water Body temperature Atmospheric pressure Homeostasis Describes the body’s ability to maintain relatively stable internal conditions even though the outside world is continuously changing. OpenStax College, Biology. A general practitioner specializes in diagnosing and treating illnesses and disorders of the internal organs and related body systems. Ectotherms are colloquially referred to as “cold-blooded” even though their body temperatures often stay within the same temperature ranges as warm-blooded animals. Describe the components of the thoracic cage. Antecubital: Area in front of the elbow. Inferior (or caudal) describes a position below or lower than another part of the body proper; near or toward the tail (in humans, the coccyx, or lowest part of the spinal column). 8.) This is called a countercurrent heat exchange; it prevents the cold venous blood from cooling the heart and other internal organs. The __________ secrete chemical substances into ducts. Homeostasis refers to the body’s ability to maintain a stable internal environment (regulating hormones, body temp., water balance, etc.). A general increase in the bulk of a body part or organ that is due to an increase in the size, but not in the number, of the cells in the tissues. The processes through which the body maintains a constant internal environment. October 17, 2013. Right and left hypochondriac: below ribs C. Umbilical (middle): around the navel D. Right and left lumbar: Extend from anterior to posterior E. Hypogastric (lower): Pubic area F. Right and left iliac: AKA right and A typical rib is a flattened, curved bone. Pre-Lab Homeostasis Notes, Body Temperature Activity Video Introduction in this Lab.
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