Blood Flashcards
1
Q
what are the 4 components of blood
A
plasma
red blood cells
white blood cells
platlets
2
Q
What does plasma do
A
involved in transport
3
Q
what do redbloodcells do
A
oxygen transport
4
Q
what do whitebloodcells do
A
defend against disease
5
Q
what do platelets do
A
help in clotting blood
6
Q
how is the redbloodcell specialised
A
it has a bioconcave shape - s.a volume ratio
it has no nucleus - for more hemoglobin space
it has haemoglobin - binds oxygen when there’s lots of it and releases oxygen when there is little of it
