Draw a clean diagram of human respiratory system diaghragm

Draw a labelled diagram of human heart.

Respiratory system of humans

What is the function of the epiglottis in man?Draw a labelled diagram showing the human respiratory system.

Study the diagram of human respiratory system and answer the given question. Which of these statements is incorrect regarding human lungs?

Study the diagram of human respiratory system and answer the given question. Which of these organ is surrounded by cartilaginous rings?

Study the diagram of human respiratory system and answer the given question. The balloon like structures present in 'S' is:

Study the diagram of human respiratory system and answer the given question. Which of these is the function of balloon like structure present in lungs?

Study the diagram of human respiratory system and answer the given question. Trachea is divided into two smaller tubes called ________.