Question

What is cell? What is cell membrane?​

Answer 1

THE SMALLEST STRUCTURAL AND FUNCTIONAL UNIT OF A BODY IS CALLED CELL.

THE THIN MEMBRANE OUTSIDE A CELL WHICH PROTECTS IT FROM EXTERNAL INJURY IS CALLED CELL MEMBRANE.

IT ALSO HELPS IN TRANSPORTATION OF VARIOUS ELEMENTS FROM INSIDE TO OUTSIDE OR VICE VERSA...

Explanation:

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Answer 2

Question:-

What is cell?What is cell membrane?

Answer:-

☆Cell:-

All living organisms are made of cells. A cell is the basic unit of structure of all living organisms. Plants and cells are made of trillions of cells. Some living organisms consist of only one cell, e.g bacteria. Cells are different in sizes, shapes, and functions.

☆Types of cell:-

• Skin cells.
• Bone cells.
• Nerve cells.
• White blood cells (WBC)
• Red blood cells. (RBC)
• Muscle cells.

●Skin Cell:-

Skin cells cover boy and protect inner layers.

●Bone Cell:-

Bone cells produce bones in shape and support bones.

●Nerve Cell:-

Nerve cells conduct messages to brain.

●White Blood Cell(WBC):-

White blood cells fight against germs cause diseases.

●Red Blood Cell(RBC):-

Red blood cells transport oxygen around the body.

●Muscle Cell:-

Muscle cells contract and bring about movement.