The Circulatory System — Biology STD 10 — Question
ICSE BoardEnglish MediumSTD 10BiologyThe Circulatory System2 Marks
Question
SHORT ANSWER TYPE QUESTIONS Why does the blood inside vessels not clot?
✓
Answer
The blood inside the vessels does not clot because (i) The coagulating factors remain inactive in the blood vessels. (ii) The endothelium of vessels is undamaged. (iii) Some anticoagulants like heparin is present in the blood. Heparin is a natural anticoagulant which is produced by basophils (WBCs).
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.