Overview of the function of the cardiovascular system Flashcards
1
Q
Describe the functions of the cardiovascular system
A
Bulk flow system of: – O2 and CO2 – Nutrients – Metabolites – Hormones – Heat
2
Q
How much blood can be “stored” in capacitance vessels?
A
2/3
3
Q
Which blood vessels act as resistance vessels?
A
Arterioles (part of microcirculation), can redirect blood flow by constricting or dilating
4
Q
What vessels act as capacitance vessels?
A
Venules and veins, allows fractional distribution of blood between veins and the rest of the circulation
5
Q
How many heart beats in average occur over 70 years of life?
A
> 2.5 million
