Q. During muscles contraction

A) Thick filaments slide over thin filaments
B) I-band gets reduced
C) Both (a) and (b)
D) None of the above
Explanation

During shortening of the muscles, i.e., contraction, the I-bands get reduced, whereas the A-bands retains the length

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.