How many organs are mainly related to the human respiratory system?

এই অধ্যায়ের আরও প্রশ্ন

• C-07-Q024Which of the following is the beginner of the respiratory system?
• C-07-Q025The nasal cavity is situated —
• C-07-Q026The shape of the nasal cavity is —
• C-07-Q027The sense of smell is associated with —
• C-07-Q028The front side of the nasal passage is covered with —
• C-07-Q029The rear part of the nasal passage is lined by —
• C-07-Q030What is the main function of cilia and mucous in the nasal passage?
• C-07-Q031The inhaled air, after passing through the nasal passage, becomes —
• C-07-Q032The pharynx extends from the nasal passage to —
• C-07-Q033Which structure closes the back of the nasal cavity during swallowing?