Human Body Systems and Homeostasis Quiz
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Human Body Systems and Homeostasis Quiz

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@SaintlyIodine

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Questions and Answers

Which of the following best describes the role of keratinocytes in the process of keratinization?

  • Secretion of sweat to regulate body temperature
  • Generation of sebum to keep the skin moisturized
  • Production of melanin for skin color development
  • Formation of a tough, fibrous protein to waterproof the skin (correct)

    • Which of the following best represents the major organs or components of the Nervous System?

  • Thyroid and adrenal glands
  • Heart, blood vessels, and blood
  • Lungs and trachea
  • Brain, spinal cord, and nerves (correct)

    • What are the three elements or components of homeostatic control systems or mechanisms?

  • Sensory receptor, integrating center, and effector (correct)
  • Blood, lymph, and plasma
  • Neurons, synapses, and neurotransmitters
  • Hormones, enzymes, and antibodies

    • In terms of response and homeostatic function, how do positive and negative feedback mechanisms differ?

    <p>Positive feedback enhances the original stimulus, while negative feedback reverses the original change</p> Signup and view all the answers

    What is the main function of melanocytes in skin color development?

    <p>Synthesis of melanin to protect against UV radiation</p> Signup and view all the answers

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