Flexion of the thigh,knee,and their rotation is facilitated by:

  • A
    Biceps muscle
  • B
    Triceps muscle
  • C
    Sartorius muscle
  • D
    Shank

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Which protein is present in muscles?

What is the source of energy for muscle contraction?

The contractile unit of a muscle fiber is known as:

$A -$ Calcium ions $(Ca^{2+})$ activate the interaction between myosin and actin filaments.
$R -$ The cross-bridge is formed in the presence of $ATP,$ and the breaking of the cross-bridge also requires the binding of a new $ATP$ molecule.

In muscular hypertrophy,what happens to the muscle cells?

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