blood structure and function Flashcards
1
Q
how are red blood cells adapted to carry oxygen
A
large surface area and no nucleus
2
Q
what happens to red blood cells in lungs
A
binds with oxygen to form oxyhaemoglobin
3
Q
what happens to red blood cells in body tissues
A
haemoglobin and oxygen split to release oxygen into cells
4
Q
what do white blood cells (phagocytes) do
A
engulf pathogen
5
Q
what do white blood cells (lymphocytes) do
A
produce antibodies to kill pathogens and antitoxins to neutralise toxins produced by pathogens
6
Q
what is plasma
A
liquid that carried all components in the blood
7
Q
what are platelets
A
small fragments of cells with no nucleus
8
Q
what do platelets do
A
help clot a wound
9
Q
what are red blood cells also called
A
erythrocytes
