Level 2

Choose the incorrect statement about muscle contraction from the following:

Look at the given diagram of events during muscle contraction, named as $\mathrm{A},\mathrm{B},\mathrm{C}$. Identify the diagram that shows gradual shortening of length of Sarcomere :-

In the given diagram, which joints are found at the marked sites:

Calcium is important in skeletal muscle contraction because it:

Scapula is a large triangular flat bone situated in the ______ A ______, part of thorax between ______ B _______ and _______ C _______ ribs.
Fill in the blanks with correct options:

The H-zone in the skeletal muscle fibre is due to

Smooth muscles are

Locomotion is influenced by