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What is the pathway of oxygen in the respiratory system?

What is the pathway of oxygen in the respiratory system?

Pathway of air: nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli (site of gas exchange)

How does the respiratory system work step by step?

Every time you breathe in air, your diaphragm tightens, moving downward to make space in your chest. Your lungs expand, pulling air in through your nose and/or mouth. That air then moves down your trachea, through your bronchi and into the bronchioles, where it enters your alveoli.

Which of the following correctly describes the pathway air follows as it flows into the lungs?

1 Answer. Air enters through the nose (and sometimes the mouth), moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi and bronchioles till the alveoli.

When oxygen enters the respiratory system What is the next structure to which it travels immediately upon leaving the trachea?

Oxygen enters the body through the nose then travels through the pharynx to the larynx, from there it travels through the trachea, to the bronchi, to the lungs, and then the alveolar sacs.

How will you describe the sequence of oxygen carbon dioxide and blood flow in your own words?

Answer: Oxygen passes quickly through this air-blood barrier into the blood in the capillaries. Similarly, carbon dioxide passes from the blood into the alveoli and is then exhaled. Then the blood is pumped through the pulmonary artery to the lungs, where it picks up oxygen and releases carbon dioxide.

What are the four processes of the respiratory system?

Inhaling and exhaling may seem like simple actions, but they are just part of the complex process of respiration, which includes these four steps:

  • Ventilation.
  • Pulmonary gas exchange.
  • Gas transport.
  • Peripheral gas exchange.

Which of the following correctly describes the pathway air follows as it flows into the lungs quizlet?

Which of the following describes the pathway air follows to reach the alveoli during inspiration? Trachea -pharynx-bronchioles-bronchi-larynx-alveoli.

What are the steps of the respiratory system in order?

It consists of the:

  • Nose.
  • Mouth.
  • Throat (pharynx)
  • Voice box (larynx)
  • Windpipe (trachea)
  • Airways (bronchi)
  • Lungs.

When oxygen enters the respiratory system What is the next structure to which it travels quizlet?

How will you describe the sequence of oxygen carbon dioxide and blood flow in your words Brainly?

How do oxygen and carbon dioxide move across the respiratory membrane?

1 Answer. Oxygen and carbon dioxide move across cell membranes via simple diffusion, a process that requires no energy input and is driven by differences in concentration on either side of the cell membrane.

What is the path of an oxygen molecule in the respiratory system?

The oxygen molecule passes through the pharynx, which is the passage for air. and the tranchea, which filters the air before carrying to the lungs. The air then reaches the bronchi tubes in your lungs. The Path of an Oxygen Molecule in the Respiratory and Circulatory System.

What is the pathway of oxygen and carbon dioxide in blood?

Oxygen enters the capillaries while carbon dioxide leaves the capillaries and enters the alveoli. The oxygen molecule is picked up by a protein in red blood cells called hemoglobin and travels through venules which collect blood from the capillaries and into the pulmonary vein. The pulmonary vein brings blood to the heart’s right atrium.

How is oxygen absorbed in the respiratory system?

Oxygen through the Respiratory System. 8. • Respiratory System- introduces oxygen and other gasses into the body. The oxygen is absorbed into the blood system and then taken all over the body.• Energy- is needed by all the body’s cells to function. It is produced by glucose, oxygen and water.

How does oxygen enter the alveolar capillaries?

Oxygen enters the capillaries while carbon dioxide leaves the capillaries and enters the alveoli. The oxygen molecule is picked up by a protein in red blood cells called hemoglobin and travels through venules which collect blood from the capillaries and into the pulmonary vein.