communication system transmits a message from the receptor to the effector and‚ through negative feedback‚ the effectors reverse the change. Describe the physiological and behavioural responses that maintain a constant core body temperature in ectotherms and endotherms‚ with reference to peripheral
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REVIEW SHEET EXERCISE 6 Cardiovascular Physiology NAME: LAB TIME/DATE: 1. Define each of the following terms: • autorhymicity- The heart is autorhythmic. This means it generates its own rhythmic action potential independent of the nervous system. • sinoatrial node- is the impulse-generating (pacemaker) tissue located in the right atrium of the heart‚ and thus the generator of normal sinus rhythm. • pacemaker cells- are specialized cells that cause involuntary muscles and tissues to
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gives us sensation‚ due to the nerves in the skin. If the skin is harmed from heat‚ the nerves attached to the skin will send neurotransmitters to the central nervous system which will cause a response by moving the skin away from danger. In thermoregulation ‚ the skin contains sweat glands that help to produced sweat. The sweat helps the body to cool down by evaporating as gas‚ thereby decrease the temperature of the body. There are also lysozymes in the sweat that is involved in phagocytosis that
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Name: _________Mishana Sturdivant___ Date: _09/03/2012______ 1.3.1.2 - Human Homeostasis Vocabulary: dehydration‚ heat stroke‚ homeostasis‚ hypothermia‚ involuntary‚ thermoregulation‚ voluntary Prior Knowledge Questions (Do these BEFORE using the Gizmo.) A thermostat is a device that regulates the temperature inside a building. 1. What does a thermostat do if it gets too cool? __It would turn on the heater or turn off the A/C___________ 2. What does a thermostat do if it gets
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temperature where you need medical attention Homeostasis- when an organism maintains stable internal conditions in a changing environment Hypothermia-lowest body temperature where you need medical attention Involuntary-automatic occurance Thermoregulation -the process in which a steady temperature is maintained inside the body Voluntary-occurance in which you have to think about and make a choice to do Prior Knowledge Questions (Do these BEFORE using the Gizmo.) A thermostat is a device
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body’s’ compartments at the proper levels. The proper balance of water and electrolytes is essential for optimal physiologic functioning. Among the many roles water plays it also acts as a building material‚ a carrier for waste and nutrients in thermoregulation among other functions. Water is the one primary nutrient that is extremely essential for body hydration‚ it is a fact that the human body can only survive about 3 days without water – the body can last a lot longer without food than the essential
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49 is the max amount of viewers available in slide - if you aren’t adding please allow others to Just to have some clarity between the answers‚ questions‚ etc. Questions in BLACK Answers in BLUE Side Questions in RED Explanations/Answers to side questions in ORANGE Other comments in ANY COLOR Unanswered study questions in GREEN Study Questions for Lectures 1-5 1. Give 2 definitions of “species” and explain the strengths and weaknesses of each. Morphological “species”: individuals
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temperature‚ his body will begin to send signals to conserve and generate heat. This can be done through vasoconstriction which keeps sweat glands inactive and conserves heat‚ and also by shivering which generate heat through muscle contractions. 3. Thermoregulation‚ a homeostatic process‚ is responsible for initiating and controlling the physiological responses helping to keep Joel warm. His body temperature is being monitored by his hypothalamus which has triggered his sympathetic vasomotor center to initiate
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have a negative feedback; the response needs to counteract the stimulus. The Endocrine and Nervous System play a vital role in maintaining homeostasis through negative feedback as they coordinate the responses in your body and help with thermoregulation. Thermoregulation is the way that the body keeps its internal temperature at a safe level. When the body is exposed to low temperature‚ thermoreceptors in the hypothalamus detect blood temperature and thermoreceptors in the skin detect skin temperature
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Bottlenose Dolphin • Kingdom: Animalia • Phylum: Chordata • Class: Mammalia • Order: Cetacea • Sub-order: Odontoceti • Family: Delphinidae • Genus: Tursiops Species: Truncatus Habitat Being the most prevalent dolphin species in the world‚ the Common Bottlenose Dolphin is widespread‚ active throughout both temperate and tropical waters worldwide. Despite this extensive range‚ it does not appear to be present in polar waters (pole-ward 45°) except in southern New Zealand and northern
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