Biology, Chapter 20 (Part 1)

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Across
  1. 3. The primary purpose of a vaccine is to train the immune system to recognize a particular _______________and be prepared to begin a secondary response to it. (pp. 408-9)
  2. 6. _____________ __ cells remain behind after an infection in order to ensure that future invasions by the same kind of pathogen are quickly dealt with. (p. 408)
  3. 7. ____________ glands within the skin excrete organic substances such as sugars and amino acids. (p. 402)
  4. 8. Lymph is identical in composition to blood ______________. (p. 406)
  5. 9. From superficial to deep, the correct order of the layers of the integumentary system is epidermis, _______________, subcutaneous layer. (p. 401)
  6. 11. ________________ tissue makes up not only the skin, but also the linings of other structures as well, such as blood vessels. (p. 397)
  7. 13. Substances that can trigger an inflammatory response from the immune system are called ________________. (pp. 394, 405)
  8. 16. Ways in which the skin helps maintain __________________ include regulating body temperature, protecting the body from antigens, and excreting waste products. (p. 403)
Down
  1. 1. Melanin, the pigment that determines a person's skin color, is produced in the_______________. (p. 401)
  2. 2. Macrophages engulf foreign particles, cytokines lyse infected cells, and memory T cells are circulated to prevent reinfection in cell-______________ immunity. (p. 407)
  3. 4. In ____________immunity, the body produces its own antibodies to protect itself. (p. 407)
  4. 5. _______________-______________immunity is an active form of immunity. (pp. 407-8)
  5. 10. _______________ helps maintain homeostasis in the body both by regulating temperature and by ridding the body of harmful waste products. (p. 403)
  6. 12. Vitamin D, produced in the skin in response to exposure to_______________, is a necessary nutrient for healthy bones. (p. 404)
  7. 14. The ____________ tissue receives and responds to sensory information. (p. 396)
  8. 15. Functions of ____________ include transporting antibodies to sites of infection, supplying nourishment to body tissues, and circulating memory T cells throughout the body (pp. 406-7)