RESPIRATORY SYSTEM

• It is the life-sustaining process in which gases are exchanged betweeen the body and the outside atmosphere.

  Respiration
• It is a continuous system of passages formed by the organs of the respiratory system, through which air flows into and out of the body.

  Respiratory Tract
• It is a large, air-filled space in the skull above and behind the nose in the middle of the face. that helps conduct air in and out of the body as part if the upper respiratory tract. It is the continuation of the two nostrils.

  Nasal Cavity
• It is a tubular organ that connects the mouth and nasal cavity with the larynx and through which air and food pass.

  Pharynx
• It is a tube-like structure which has dual functions: both air and food (or other swallowed substances) pass through it, so it is part of both the respiratory and digestive systems.

  Pharynx
• It is part of the upper respiratory tract in which it connects the pharynx and trachea and helps to conduct air through the respiratory tract. It is also called the voice box because it contains the vocal cords that allow the production of vocal sounds.

  Larynx
• It is a tubular organ, which is part of the lower respiratory tract, that carries air between the larynx and bronchi. It is also called "windpipe."

  Trachea
• It is the widest passageway in the respiratory tract.

  Trachea
• It carries air between the trachea and lungs.

  Bronchi
• It is the largest organ of the respiratory tract, in which gas exchange takes place between the blood and the atmosphere.

  Lungs
• This lung is larger and contains three lobes.

  Right Lung
• This lung is smaller and contains only two lobes. The smaller allows room for the heart, which is just left of the center of the chest.

  Left Lung
• Which organ is part of both the digestive and respiratory system?

  Pharynx