Paper 2 · White blood cells, plasma and platelets
What is a function of blood platelets?
ATransporting oxygen bound to haemoglobin, a job carried out by red blood cells, not platelets
BProducing antibodies against specific pathogens, a job carried out by lymphocytes, not platelets
CDistributing heat evenly around the body, a job carried out mainly by the blood plasma
DForming clots, which prevent bleeding and the entry of pathogens
Explanation: Platelets form clots, preventing bleeding and the entry of pathogens.
Derived from ZIMSEC Biology 4025/2 Paper 2 Theory, November 2018, Q3
