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