Myoglobin is found in

Which fibres,contractile in nature,are found in muscles?

$A$ collagenous connective tissue layer holds the muscle bundles together.

It is known that red muscle fibres in animals can work for longer periods of time continuously. How is this possible?

Identify the correct labels for the parts of the myosin monomer shown in the diagram.

In a $A$ state,the edge of thin filaments on either side of thick filaments $B$ overlap the free ends of $C$ filaments leaving the central part of thick filaments. This central part of thick filament,not overlapped by thin filaments is called $D$ zone.
Choose the correct options to fill the gaps $A, B, C$ and $D$,so as to complete the given $NCERT$ statement.