Question

What will happen if â (i) Ligament gets overstretched ? (ii) Heparin is absent in blood ? (iii) Striated muscles contract rapidly for longer duration ? CBSE Class IX Science SA 2 (3 Marks)

Answer 1

(1) when ligaments get overstreched this is know as sprain
(2)Heparin is release when basophill WBC get ruptured.
(3) striated muscles works according to will power but they work only for short duration cause they fatigue due to formation of lactic acid within it..