1
Q
What kind of tissue is blood?
A
specialized connective tissue
2
Q
Functions of blood
A
transportation, protection, regulation
3
Q
composition of blood
A
plasma, wbc, rbc
4
Q
blood liquid matrix
A
plasma
5
Q
rbc also called
A
erythrocytes
6
Q
rbc function
A
transport oxygen from the lungs to cells
7
Q
rbc structure
A
- biconcave disk (maximized surface area)
- flexible
- sack of hemoglobin (no nucleus, few organelles)
8
Q
hemoglobin structure
A
- protein (four polypeptides)
- 4 irons that bind to oxygen
- each RBC contains 280 million hemoglobin
9
Q
hormone that stimulates RBC production
A
erythropoietin
10
Q
WBC aka
A
leukocytes
11
Q
WBC functions
A
house keeping
immune cells
12
Q
Two groups of WBC
A
granulocytes and agranulocytes
13
Q
Granulocytes
A
- neutrophils
- eosinophils
- basophils
14
Q
agranulocytes
A
monocytes
lymphocytes
15
Q
neutrophils
A
- most abundant
- 1st to site of infection
- consume bacteria through phagocytosis
- in death releases chemicals to attract more neutrophils
16
Q
eosinophils
A
contains toxins against parasitic worms
17
Q
basiphils
A
releases histamine, which attracts WBC to site of inflammation
18
Q
monocytes
A
- Leave blood stream and become Macrophages
- largest
- engulf microbes, dead cells, debris
19
Q
lymphocytes
A
specific immunity cells
B cells; T cells
20
Q
blood types
A
A, B, AB, O
21
Q
Rh factor
A
Rh- (recessive)
Rh+ (dominant)
Biology 100
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