Question

cells are the basic structural units of living organism. what do you understand by this statement?​

Answer 1

Answer:

Cells are the basic structural units of living organism. In this statement, we can understand that all the living organisms are made up of cells. All the functions are performed by cells. As we know, cells together make tissues which further forms tissue system, then it further forms organs and then it makes up the whole organism. From, this information we can know that cells are very important to us.

Explanation:

★ What is a cell?

→ The smallest existing entities in this whole world is known as a cell.

★ More about a cell.

→ Cell is a Latin word for a little room. It is discovered by Robert Hooke in 1665. He took a thin scile of cork which resembled the structure of honeycomb under a microscope. That is why, he named it as cell.

★ Examples :

• Smooth muscle cell
• Nerve cell
• Blood cells
• Ovum
• Fat cell
• Bone cell
• Sperm

These are the various types of cells from the human body.

★ What does a cell contain?

→ Cell wall (Present only in a plant cell)

→ Plasma membrane/Cell membrane

→ Nucleus

→ Cytoplasm

→ Nucleolus

→ Cell organelles : Endoplasmic reticulum, golgi apparatus, lysosomes, mitochondria, plastids and many more.

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