Muscles responsible for the movement of food in the stomach are

The following figures $A, B$ and $C$ are types of muscle tissue. Identify $A, B$ and $C$.

Which germ layer forms the skeletal muscles in vertebrates?

Read the following statements.
$(i)$ It is a contractile tissue present only in the heart.
$(ii)$ Cell junctions fuse the plasma membranes of these cells and make them stick together.
$(iii)$ Communication junctions at some fusion points allow the cells to contract as a unit,i.e.,when one cell receives a signal to contract,its neighbours are also stimulated to contract.
Which of the following type of tissue is being described by the above statements?

Smooth muscles are not:

Smooth muscle fibres differ from striated muscle fibres in their external covering by: