respiratory system

the process of respiration is

• an oxidation process which is exothermic

• an oxidation process which is endothermic

• none of the above

• all of the above

In which part of the respiratory system, gaseous exchange takes place?

• Trachea

• Larynx

• Pharynx

• Alveoli

___________ is located between two pleural sacs and is the central compartment of the thoracic cavity?

• Thoracic cage

• Mediastinum

• Pleura

• Hilum

Which of the following are parts of the human respiratory system?

• Trachea

• Diaphragm

• The lungs

• All of the above

Which of the following gas is released out during the process of respiration?

• Hydrogen

• Oxygen

• Carbon dioxide

• None of the above

The tiny air sacs present in human lungs is called_______.

• Alveoli

• Bronchus

• Bronchioles

• Bronchus

. Which of the following functions by filtering and keeping the mucus and dirt away from our lungs?

• Cilia

• Bronchioles

• Hairs in the lungs

• All of the above

The exchange of gases between the external environment and the lungs______.

• External respiration

• Cellular respiration

• Respiration

• None of the above

Which one of the following statements is false about the trachea?

• Has C-shaped rings

• It is covered by epiglottis

• It splits into the right and left lungs

• None of the above

Which one of the following is correct regarding larynx?

• It houses the vocal cords

• It prevents the invading pathogens into the trachea

• It is an organ made of cartilage and connects the pharynx to the trachea

• All of the above