Blood 1 Flashcards
1
Q
what are the two main components of blood?
A
plasma and formed elements
2
Q
What percentage of blood is plasma?
A
55%
3
Q
What percentage of blood is formed elements?
A
45%
4
Q
What are erythrocytes?
A
red blood cells
5
Q
What do erythrocytes do?
A
carry oxygen around the body
6
Q
What is hemoglobin?
A
An iron-containing protein on the erythrocyte that carries oxygen and carbon dioxide
7
Q
Male Hematocrit
A
40%-50%
8
Q
Female Hematocrit
A
36%-44%
9
Q
How much of the blood volume is erythrocytes?
A
44%
10
Q
What do platelets do?
A
clot blood
11
Q
What percentage of blood is platelets?
A
1%
12
Q
What are leukocytes?
A
white blood cells
13
Q
What do leukocytes do?
A
play a role in the immune system
14
Q
What percentage of blood is leukocytes?
A
1%
15
Q
Granulocytes
A
neutrophils, eosinophils, basophils
