Question
Biology Question on locomotion and movement
Intercalated discs occur
A
between neurons
B
between cardiac muscle fibres
C
at the junction of muscle and nerve cells
D
in stripe muscles
Answer
between cardiac muscle fibres
Explanation
Solution
Intercalated discs are specialized regions of cell membrane of two adjacent cardiac muscle fibres. The intercalated discs function as boosters of contraction wave and permit the wave of muscle contraction to be transmitted from one cardiac fibre to another.