You know about the respiratory system, List the path that air travels as it is inhaled. Start with mouth and nose and end with capillaries.  



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trophyhunter1's profile pic

Posted on (Answer #1)

Air enters the nostils. It is moistened by mucus, warmed up to body temperature and dust is filtered out of the air, by hairs and trapped by mucus. It passes to the nasopharynx, to the oral pharynx. Next, it passes the glottis, to the trachea, or windpipe. Rings of cartilage support this breathing tube which leads to the right and left bronchi. These branch into each lung and further branch into smaller and smaller tubes. These are known as bronchioles. At the end of each bronchiole, is a cluster of air sacs or alveoli. Gas exchange occurs in the thin-walled alveoli which provide a huge surface area for the diffusion of oxygen from the alveoli into capillaries, so oxygen can be transported by the bloodstream to all the body's cells. Carbon dioxide diffuses from the capillaries surrounding the alveoli, into the alveoli, so it can be excreted when exhalation occurs.

nancy167's profile pic

Posted on (Answer #2)

The function of the human respiratory system is to transport air into the lungs and to facilitate the diffusion of Oxygen into the blood stream. Its also receives waste Carbon Dioxide from the blood and exhales it.

Pathway of the air to the lungs:

Pharynx--> Larynx--> Trachea--> Bronchus--> Bronchiole--> Aveolus--> Lung

The respiratory system is made up of the organs involved in the interchanges of gases, and consists of the:

  • Nose

  • Mouth (oral cavity)

  • Pharynx (throat)

  • Larynx (voice box)

  • Trachea (windpipe)

  • Bronchi

  • Lungs

The upper respiratory tract includes the:

  • Nose

  • Nasal cavity

  • Ethmoidal air cells

  • Frontal sinuses

  • Maxillary sinus

  • Sphenoidal sinus

  • Larynx

  • Trachea

The lower respiratory tract includes the:

  • Lungs

  • Airways (bronchi and bronchioles)

  • Air sacs (alveoli)




kavya--kammana's profile pic

Posted on (Answer #3)

The Pathway


  • Air enters the nostrils
  • passes through the nasopharynx,
  • the oral pharynx
  • through the glottis
  • into the trachea
  • into the right and left bronchi, which branches and rebranches into
  • bronchioles, each of which terminates in a cluster of
  • alveoli

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wiljacks's profile pic

Posted on (Answer #4)

The air goes through the nostrils then it goes through thelrynx, pharnx, and nasal cavaty then the lugs expand and create carbon dioxide wich goes up and out.

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