PDF chapter test TRY NOW
Given below is a square of letters in which are hidden different words related to respiration in organisms. These words may be present in any direction – upwards, downwards, or along the diagonals. Find the words for your respiratory system. Clues about those words are given below the square.
1. Muscular floor of chest cavity -
2. An organism with tracheal system -
Answer variants:
Ribs
Lungs
Trachea
Nostrils
Ant
Stomata
Yeast
Spiracles
Diaphragm
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