Blood Flashcards
1
Q
What sort of partial pressure to respiring tissues have?
A
A low partial pressure
2
Q
In the blood clotting mechanism thromboplastin catalysis prothrombin into what?
A
Thrombin
3
Q
What is the average lifespan of a red blood cell
A
120 days
4
Q
When resting how much of the oxygen haemoglobin is carrying is released into cells?
A
Roughly 25%
5
Q
What are blood vessels made up of?
A
Elastin and collagen fibres with smooth muscle
6
Q
What does the aorta contain a high percentage of?
A
Elastin fibres
