Blood 1 Flashcards
what are the two main components of blood?
plasma and formed elements
What percentage of blood is plasma?
55%
What percentage of blood is formed elements?
45%
What are erythrocytes?
red blood cells
What do erythrocytes do?
carry oxygen around the body
What is hemoglobin?
An iron-containing protein on the erythrocyte that carries oxygen and carbon dioxide
Male Hematocrit
40%-50%
Female Hematocrit
36%-44%
How much of the blood volume is erythrocytes?
44%
What do platelets do?
clot blood
What percentage of blood is platelets?
1%
What are leukocytes?
white blood cells
What do leukocytes do?
play a role in the immune system
What percentage of blood is leukocytes?
1%
Granulocytes
neutrophils, eosinophils, basophils
Agranulocytes
lymphocytes and monocytes
What do monocytes turn into?
macrophages
What are the three formed elements of blood?
erythrocytes, leukocytes, platelets
What do neutrophils do?
ingest and destroy bacteria
What do eosinophils do?
parasitic worms and allergy response
What do basophils do?
allergic response
What do B lymphocytes do?
produce antibodies
What do T lymphocytes do?
enhance aspects of immune system, destroy cancer cells, destroy cells infected with viruses
What do monocytes do?
very active phagocytes
