Blood 2 Flashcards
1
Q
What are platelets?
A
Small fragments of cells without a nucleus
2
Q
What are platelets involved in?
A
Clotting of blood
3
Q
Explain 3 ways how the red blood cell is adapted for its function
A
1) Biconcave shape increases SA:V ratio - short diffusion distance for O2
2) Packed with haemoglobin which binds to oxygen
3) No nucleus - more space for haemoglobin
4
Q
Where are the atrioventricular valves found?
A
Between atrium & ventricle
