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Human Biology

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Exam study book Human Biology of Michael D. Johnson - ISBN: 9781292166278, Edition: 1, Year of publication: - (Human Biology)

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  • September 3, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
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Test Bank For Human Biology 16th Edition By Sylvia Mader
9781260233032 Chapter 1-25 Complete Guide .
What are the functions of blood? - ANSWER: -heart pumps 75 ml of blood per
contraction
-entire blood supply circulated each minute
-transports O2, nutrients, wastes, CO2, hormones
-defends against pathogens
-protect against fluid loss by clotting
-regulatory functions (temp., water-salt balance, pH)

How much blood does the heart circulate per minute? - ANSWER: 5,250 ml of blood
per minute

antibodies - ANSWER: proteins that phagocytize microbes

What is the composition of blood? - ANSWER: -liquid connective tissue
-made of formed elements suspended in plasma

formed elements - ANSWER: -produced in red bone marrow
-red blood cells
-white blood cells
-plasma

white blood cells (5) - ANSWER: 1. lymphocyte (a, nl)
2. monocyte (a, nl)
3. neutrophil (g, l)
4. eosinophil (g, l)
5. basophil (g, l)

red blood cell - ANSWER: -transports oxygen and carbon dioxide
-biconcave shape increases surface area
-contain hemoglobin (Hb)
-no nucleus or organelles
-only live about 120 days

lymphocyte - ANSWER: active in specific immunity

monocyte - ANSWER: becomes a large phagocyte

neutrophil - ANSWER: phagocytizes proteins

eosinophil - ANSWER: active in allergies and worm infections

basophil - ANSWER: releases histamine

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