Chapter 18 Vocab Flashcards
1
Q
Artery
A
Carriers blood away from the heart
2
Q
Vein
A
Carries blood toward the heart
3
Q
Capillaries
A
Exchange of gases, nutrients wastes
4
Q
Erythrocyte
A
RBC
Transport respiratory gases in the blood
5
Q
Leukocytes
A
Defend against pathogens
6
Q
Platelets
A
Help clot blood
7
Q
Hemoglobin
A
Red-pigmented protein
Transports O2 and CO2
8
Q
Vasoconstriction
A
The narrowing of the blood vessels, which increases blood pressure but can decrease blood flow and loss
9
Q
Platelet plug
A
Formation involves the activation, aggregation, and adherence of platelets into a plug that serves as a barrier against blood flow
10
Q
Coagulation involves
A
A complex cascade in which a fibrin mesh is formed from fibrinogen
11
Q
Fibrin acts as a
A
Molecular glue
During clot formation, holding the platelet plug together
