Question 16
Transport in AnimalsBlood clotting is initiated by
- A.leucocytes
- B.platelets
- C.haemolymph
- D.haemoglobin
- E.erythrocytes.
Show the answer and explanation
Answer: B (platelets)
Explanation
At a wound, platelets break down and release thrombokinase, which starts the chain of reactions that forms a clot.