the structure of capillaries and importance of capillary beds as exchange surfaces Flashcards
1
Q
How does the exchange of substances take place ?
A
At capillaries through diffusions
2
Q
Where are capillaries found
A
Very near to alveoli in the lungs - short diffusion pathway
3
Q
What is the purpose of having a huge number of capillaries
A
for exchange of metabolites and gases.
4
Q
What are capillary beds?
A
Networks of capillaries in tissue
