UCCS Biology 1200 Chapter 40

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UCCS Biology 1200 Chapter 40
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2013-12-02 19:33:16
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UCCS Biology 1200 Chapter 40
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UCCS Biology 1200 Chapter 40
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  1. physiology
    the biological function of an animal.
  2. the biological form of an animal
    anatomy
  3. the spaces between cells are filled with fluid, in many animals are called what?
    interstitial fluid
  4. what are cells that are grouped with similar appearance and common function?
    tissues
  5. different types of tissues are organized into functional units called what?
    organs
  6. groups of organs that work together provide an additional level of organization and coordination to make up an?
    organ system
  7. what are the signaling molecules that are broadcasted throughout the body by the endocrine system
    hormones
  8. If an animal uses internal mechanisms to control internal change in the face of external fluctuation it is called a?
    regulator
  9. If a animal allows environmental variables to change its internal condition with the external changes it is called a?
    conformer
  10. the maintence of internal balance
    homeostasis
  11. in homeostasis in animals, a value maintained for a particular variable, such as body temparture
    set point
  12. In homeostasis, a receptor that detects a stimulus
    sensor
  13. In feedback regulation, a fluctuation in a variable that triggers a response
    stimulus
  14. In feedback regulation, a physiological activity triggered by a change in a variable
    response
  15. A control mechanism that reduces the stimulus.
    Negative feedback
  16. A control mechanism that amplifies the stimulus.
    Positive Feedback
  17. A set of physiological changes that occur roughly every 24 hours
    circadian rhythm
  18. the gradual process by which an animal adjusts to changes in its external environment
    acclimatization
  19. The process by which animals maintain an internal temperature within a tolerable range.
    Thermoregulation
  20. Animals that are warmed mostly by heat generated by metabolism
    endothermic
  21. Animals that gain most of their heat from an external source
    Ectothermic
  22. The outer covering of the body consisting of skin, hair and nails.
    Integumentary system
  23. The transfer of heat between fluids that are flowing in opposite directions.In many birds and mammals.
    Countercurrent Exchange
  24. The sensors for thermoregulation are concentrated in the brain region called the?
    hypothalamus
  25. The overall flow of energy in an animal and also determines the nutritional needs related to the animals size,activity, and environment
    Bioenergies
  26. The amount of energy an animal uses in a unit of time is called its?
    Metabolic rate
  27. The minimum metabolic rate of a nongrowing endotherm that is at rest has an empty stomach, and is not experiencing stress is called the?
    Basal Metabolic Rate
  28. The metabolic rate of a fasting, nonstressed ectotherm at rest at a particular temperature is called its?
    Standard Metabolic Rate
  29. A physiological state of decreased activity and metabolism.
    Torpor
  30. A long term torpor that is an adaptation to winter cold and food scarcity.
    Hibernation
  31. Forms active interfaces with the environment external and internal surfaces of the body.
    Epithelial Tissue
  32. Binds and supports other tissues
    Connective Tissue
  33. Contracts, moving the parts of the body.
    Muscle Tissue
  34. Transmits nerve impulses throughout the body
    Nervous Tissue
  35. The two means of communication between different locations of the body.
    The endocrine and nervous systems
  36. Purpose of the Endocrine system.
    Coordination of body activities such as digestion.
  37. Purpose of digestive system
    Food processing ex mouth
  38. Purpose of Circulatory System
    Internal distribution of of materials Ex:heart
  39. Purpose of respiratory system
    Gas exchange Ex:Lungs
  40. Purpose of the Immune system
    Body defense Ex:bone marrow
  41. Purpose of excretory sytem
    disposal of metabolic wastes and regulation of osmotic balance of blood Ex:Kidneys
  42. Purpose of Reproductive system
    reproduction Ex:Ovaries
  43. Purpose of the Nervous system
    Coordination of body activities, detection of stimuli and formulation of responses. Ex:Brain
  44. Purpose of Integumentary system
    Protection against mechanical injury,infection Ex:Skin
  45. Purpose of Skeletal system
    Body support, protection of internal organs Ex:bones
  46. Purpose of Muscular System
    Locomotion and other movement Ex:skeletal muscles

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