The circulatory system — Biology STD 10 — Question
ICSE BoardEnglish MediumSTD 10BiologyThe circulatory system1 Mark
MCQ
Serum is ___________.
A
Plasma + Corpuscles
✓
Plasma - Fibrin
C
Blood + Fibrin
D
Fibrin + Corpuscles
✓
Answer
Correct option: B.
Plasma - Fibrin
(b) Plasma - Fibrin Explanation: Plasma and corpuscles form blood. During coagulation, blood cells form a network of fibrin which separates from the plasma. The clear liquid formed is called serum. Fibrin and corpuscles form blood clot.
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