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Questions and Answers
Which of the following best describes the role of keratinocytes in the process of keratinization?
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?
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?
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?
In terms of response and homeostatic function, how do positive and negative feedback mechanisms differ?
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What is the main function of melanocytes in skin color development?
What is the main function of melanocytes in skin color development?
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