Blood Flashcards
1
Q
Functions of Blood
A
- transport
- regulation
- protections
2
Q
Functions of Blood - Transport:
A
blood transports:
- oxygen
- carbon dioxide
- nutrients
- waste
3
Q
Functions of Blood - Regulation:
A
blood regulates:
- pH
- body temp
- fluid volume
4
Q
Functions of Blood - Protection:
A
blood protects against:
- blood loss
infection
5
Q
Physical characteristics of Blood:
A
- fluid connective tissue
- more viscous than water
- 38degrees
- narrow pH range: 7.35-7.45
- 4-6L
6
Q
Components of blood
A
Blood plasma: (liquid extracellular matrix) 55%
Formed Elements: (erythrocytes, leukocytes, platelets) 45%
7
Q
Red Blood Cell (Erythrocyte) structue
A
- biconcave disc
- thin
- large SA
- lifespan: 120 days
- no nucleus or organelles
- transports oxygen & CO2
