Question

Draw the diagram of smooth muscle cell and a sperm cell . comment on the variety of shapes of cell by taking two more examples

Answer 1

it is in the pic...........................................!

Answer 2

Sperm cell is a male reproductive cell. it contain neck connected to the body, which is also contain mitochondria. The tail is composed of protein fibers which involve in wavelike movement that help the sperm to move through the seminal fluid.

Smooth muscle tissues does not contain a clearly defined striations visible on the cells. The actin and myosin filaments in smooth muscle are present in a stacked pattern in the cell. The actin filaments involve in the movement from one side of the cell to the another.

Varieties of cells are:

• Nerve cell- They have long projection, that make contact with many other nerve cells and also involve in tranfer of messages. the control and coordination is done by this cell.
• Muscle cell- They are help in movement, contract and relaxation. the muscles cell get contract while shorten in shape and get expand while relax.
• Epithelial cell are rectangular in shape, form a thin layer in the body and save the cell from injury.
• Red blood cell are spherical and help in carry of oxygen.
• White blood cell- They are irregular in shape, they can help in preventing the body from diseases.