বক্ষদেশ
"পোকামাকড় (লাতিন" "কীটপতঙ্গ" "থেকে, গ্রিক" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "
১. একটা পোকামাকড়ের মাথা ও উদর ছাড়াও, দেহের অন্য প্রধান অংশটা কী?