Fill in the Blanks
Match the Columns
Complete the following table.
|2. Circulatory system|
|Traps dust particles and microbes and prevents their entry in the respiratory system.
Acts as a passage for the entry of air into the windpipe.
Acts as a passage through which air passes into the lungs.
Exchange of gases occurs in the lungs.
|2. Circulatory system||Heart
The main organ from where the circulation of blood to different body parts occurs.
Closed system of vessels which help in circulation of blood.
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