A cell is the smallest form containing the genetic material, cell organelles, cytoplasm and it can replicate to give rise to new cells such as RBCs, WBCs, and nerve cells.
A group of cells that are structurally similar and or work together to perform a particular function is called a tissue such as blood and muscles.
The collection of such tissues, which are joined in a structural unit to perform a certain function is called an organ such as heart, brain, blood vessels.
Thus, the correct answer is option A.
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Q1
Classify the following terms into cells, tissues and organs. RBCs, WBCs, nerve cells, blood, muscle, blood vessels, brain, heart, hand
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Q2
Question 35 Classify the following terms into cells, tissues and organs and write in the tabular column given below.