Question

Do the muscles pull the structures,or push them?Explain briefly.
Concise Biology Class IX By H.S. Vishnoi CHAPTER 14-MOVEMENT AND LOCOMOTION

Answer 1

Muscles produce pulling effect .During contraction of muscles  Actin attached to z line come towards M line ( A band ) and reduces the I band and as it move towards the M line it is the pulling effect of muscles.

Answer 2

Muscles pull the structure. Muscles will pull the bones not push. Skeletal muscles are typically organized in pairs that pull the bones in the opposite direction.

• Our body movement stimulated by muscles. Most of the muscles are constructed with elongated cells called muscle fibers.

• Muscles are two types those are involuntary muscles and voluntary muscles.

• Involuntary muscles work automatically. Smooth muscles and cardiac muscles are involuntary muscles.

• Skeletal muscles are voluntary muscles. We can actively control its function.