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- Help me pleaseBoy temperature decreases homostatic disruption person falls in a cold take in the winter muscles contract/shiver and blood vessels contract hypothalamus partof brain thermorecaptors in hypothalamus muscles and blood vessles homeostatasis body temperature increases in heat to produced from shivering Does these definitions go with receptor control center stimulus homosatasis respone effector homeostasis disruptionwhen does the hypothalamus return the body to its original body temperature of 98.6 degrees fahrenheit.
- Fill in the blank: Receptors that are sensitive to temperature changes are called _______________________.Which of the following statements is true regarding BoTox? BoTox is a Nicotinic Acetylcholine receptor antagonist BoTox is used to stimulate muscle contractions BoTox interferes with Acetylcholine synthesis BoTox interferes with Acetylcholine release All of the above are correctidentify each of the following as the set point, a receptor, the control center or an effector. Brain 98.6 oF Temperature sensitive nerve cells in the skin. Sweat glands
- Describe how hypothalamic center integrates thermal information and directs changes in efferent activity to balance body’s temperatureWhen a body temperature is too low. What is the effector?depolarization at the dendrites begins with: opening of voltage gated sodium channels (it is not this one, i got it wrong) opening of voltage gated potassium channels opening of ligand gated sodium channels opening of ligand gated potassium channels
- Fill in the blank: _______________________ receptors are most sensitive to temperatures between 25°C (77°F) and 45°C (113°F).Some have compared the "all or none" action potential to flushing a toilet. The absolute refractory period (when no amount of pressing the lever will produce another flush) is set by: the inactivation of voltage gated potassium channels the inactivation of voltage gated sodium channels the opening of voltage gated sodium channels the inactivation of voltage gated chloride channelsHomeostasis is a natural phenomenon which is body’s tendency to maintain internal stable and favorable environment against any situation that would tend to disturb its normal condition and function. Such as, If the temperature rises, the body loses heat by sweating or panting, via the latent heat of evaporation. If it falls, this is counteracted by increased metabolic action, by shivering and in fur or feather coated animals, by thickening the coat. Like temperature our body can sense the change in osmolarity and to maintain a stable condition body needs to persist on a certain osmolarity. Secretion of certain hormones can be stimulated by any change in the osmolarity to help maintain a certain level of osmolarity - briefly discuss the mechanism of action and biochemical function of such a hormone.
