Wind pipe in man arises form

phellogen arises from

The fundamental frequency of a closed organ pipe is sam eas the first overtone freuency of an open pipe. If the length of open pipe is 50cm, the length of closed pipe is

Splenic artery arises from

Splenic artery arises from

Vermiform appendix arises from

Lysosome arises from

Spindle fibres arise from

Which of the following constitutes the wind pipe, or the upper four inches of the airway?

The thoracic cage of man is formed of

The thoracic cage of man is formed of