Question
What are three main functional regions of the cell?
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Which tissue forms blubber of whale and hump of camel?
What is cyton?
Name the complex tissue which helps in:
When sound is reflected from a distant object, an echo is produced and heard in a winter night. Now, if the distance between the reflecting surface and the source of sound production remains the same, will you hear the echo of the same sound on a summer day? Explain.
How does the sound produced by a vibrating object in a medium reach your ear?