_______is the essential unit of life.

The organism which contain many cells is called as__________.

• Multicellular organisms have eukaryotic cells .
• Having different cell organelles with true nucleus.

This is the picture of _________.

• Schlieden said that cells are the basic units of animal structure.

_______ is essential for the survival of cell.

Without the cell, we cannot______.

Plant and animal are ________.

Discovery of cell was possible due to the

________ gave the final form to the cell theory.

Which of the following scientist does not have any contribution in cell theory?

This picture is of ________.

The organism which contain only one cell is called as__________.

Cell was discovered in the year_______.

Cell membrane is a part of_________.

Sensory receptors are specialized to perceive a certain kind of

The electrical signals are also known as action potential, which is transferred to the brain for decoding.

The exchange of gases takes place in

The alveoli have more concentration of carbon dioxide as compared to oxygen to creat a concentration gradient.

Which gas is exhaled out from the body?

The process of respiration involves two acts occurring simultaneously, that is, removal of carbon dioxide and inhaling of oxygen.