Cells can be of many different shapes

Some common shapes of cells are

Spherical Cells

They are round in shape

Example - Red Blood Cells in Humans

Spindle Cell

They are elongated like a spindle

Example - Muscle Cell in Humans

Elongated Cell

They are shaped like a branch of a tree

Example - Nerve Cells in Humans

different-shapes-of-cells---teachoo.jpg

 

The shape of the cell is so that it can help in its function

For Example -

  • Nerve Cells are long and branched because they need to make contact with other nerve cells and carry signals over long distances (from brain to other parts of the body)
  • Muscle cells are spindle shaped because muscles contract and relax. So, spindle shape makes it easier to contract and relax

 

What is shape of amoeba?

Amoeba is a single celled organism

Has no regular shape, it keeps on changing it's shape so it is irregular in shape

 

What is pseudopodia in amoeba?

pseudopodia-meaning.jpg

You will observe that a varying length sticking outside the body of amoeba,this will appear and disappear as the amoeba moves or feeds

This varying length is known as Pseudopodia

 

pseudopodia-in-amoeba.png

 

 

White blood cell in human body can also change shape ?

Yes,white blood cells can change shape

 

white-blood-cells-changing-shape---teachoo.jpg

 

 

Questions

NCERT Question 1 (b) - Indicate whether the following statements are True (T) or False (F).

Muscle cells are branched. (T/F)

View Answer

 

NCERT Question 1 (d) - Indicate whether the following statements are True (T) or False (F).

Amoeba has irregular shape. (T/F)

View Answer

 

NCERT Question 2 - Make a sketch of the human nerve cell. What function do nerve cells perform?

View Answer

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  1. Class 8
  2. Chapter 8 Class 8 - Cell - Structure and Function

Transcript

Pseudopodia in Amoeba nucleus food particle Pseudopodia Food 'vacuole Pseudopodia Pseudo False Podia Feet White blood cells changing shape

About the Author

Davneet Singh's photo - Teacher, Computer Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.