Respiratory System Flashcards

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1
Q

Upper Respiratory Tract

A

Nasal Cavity
Pharynx
Glottis
Larynx
Trachea

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2
Q

Lower Respiratory Tract

A

Lungs
Left and Right Bronchi
Bronchioles
Alveoli

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3
Q

Function of the Nasal Cavity

A
  • Air is warmed when passing over nasal chamber by the capillaries
  • Air is moistened by passing over the surface if mucus membranes.
  • Air is cleaned by passing over cilia, trapping particles to the nose or throat
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4
Q

Pathway of Air

A

Cleaned, Warmed and Moistened
Move to Pharynx
Enter Trachea
Moves down the glottis, while trachea is covered by the epiglottis
Air pass the larynx before continuing down the trachea

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5
Q

Function of Larynx

A

Allows humans to talk

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6
Q

Purpose of the Respiratory System

A

Obtain oxygen for cellular respiration
Eliminate Carbon Dioxide from the body

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7
Q

Stages of Human Respiration

A
  • Breathing
  • External Respiration
  • Internal Respiration
  • Cellular Respiration
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8
Q

What is Breathing?

A

The repetition of Inspiration then Expiration
Inspiration - Inhaling, taking air into lungs from outside the body
Expiration - Exhaling, moving air from the lungs back outside the body

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9
Q

What is External Respiration

A

Performance of gas exchange - delivery of oxygen to the blood from the lungs and CO2 to the lungs from the blood

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10
Q

What is internal respiration

A

Exchange if oxygen and CO2 between blood and the body’s tissues and cells

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11
Q

What is Cellular Respiration

A

Chemical reaction that take place in cells that provide the cell with energy

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12
Q

Respiratory Membrane Requirements

A

Large respiratory surface
Moist Environment
Close to blood supply

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13
Q

What is the brains role in breathing?

A

Coordinates breathing movement and rate
Monitors volume of air in lungs and gas levels in blood

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14
Q

What is the role of the Diaphragm and the Intercostal Muscles in breathing?

A

Control air pressure in the lungs - Changes in air pressure cause air to move in and out if the lungs

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15
Q

The movement of the Diaphragm and the Intercostal Muscles during Inhalation

A

Intercostal Muscles contract pushing the ribs Up and Out
Diaphragm contracts downwards and flattens

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16
Q

The movement of the Diaphragm and the Intercostal Muscles during Exhalation

A

Diaphragm relaxes and become concave
Intercostal muscles relax and the ribs move Down and In