Which organ is called the "food pipe"?

Where does digestion of proteins begin?

Which organ produces bile?

What is the main function of the small intestine?

Which enzyme is present in saliva?

Which organ is called the “windpipe”?

Which part of the lungs contains tiny air sacs for gas exchange?

What gas do we inhale for survival?

Which muscle helps in breathing by moving up and down?

Which organ is common for both food and air passage?