Respiratory System Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

4 stages of respiration

A
  • pulmonary ventilation
  • external respiration
  • respiratory gas transport
  • internal respiration
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which stages of respiration has to do with the respiratory system?

A
  • first two
  • pulmonary ventilation and external respiration
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Organs of the respiratory system

A
  • nose, nasal cavity, paranasal sinuses
  • pharynx, larynx
  • trachea, bronchi
  • lungs, alveoli
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Pulmonary ventilation

A
  • breathing
  • inspiration and expiration
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

External respiration

A
  • oxygen from lungs to blood
  • carbon dioxide from blood to lungs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Respiratory gas transport

A
  • oxygen from lungs to tissue cells
  • carbon dioxide from tissue cells to lungs
  • cardiovascular system
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Internal respiration

A
  • oxygen from blood to cells
  • carbon dioxide from cells to blood
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

2 zones in the respiratory system

A
  • respiratory zone (site of gas exchange - bronchioles and alveolar ducts)
  • conducting zone (all other passageways)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Actual site of gas exchange

A
  • respiratory zone
  • bronchioles and alveoli
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Organs in upper respiratory tract

A
  • nose, paranasal sinuses, pharynx, larynx, trachea
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Organs in lower respiratory tract

A
  • broncial tree
  • alveoli
  • lungs
  • pleurae
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Function of nose

A
  • mucus, filter
  • olfactory epithelium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Olfactory epithelium

A
  • root of nasal cavity
  • sense of smell
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Structure that lightens skull

A
  • paranasal sinuses
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Pharynx

A
  • passageway for air and food
  • connects the nasal cavity to larynx / oral cavity to esophagus
  • have tonsils
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Pharyngeal tonsils

A
  • lymphoid organs
17
Q

Larynx

A
  • connect pharynx to trachea
  • to opening of glottis
  • has vocal folds
18
Q

Opening of trachea

A
  • glottis, covered by epiglottis
19
Q

What prevent trachea from collapse?

A
  • cartilage
20
Q

What does loudness of voice depend on?

A
  • force with which air ushes against vocal folds
  • more force, more vibration, more sound
21
Q

What muscle is bronchial tree made of?

A
  • smooth muscle
  • tree connects trachea with alveoli
22
Q

Alveoli

A
  • simple squamous epithelium
  • main gas exchange site
23
Q

Where are lungs located?

A
  • mediastinum
24
Q

Pleurae

A
  • serous membrane
  • parietal pleura lines thoracic cavity
  • visceral pleura lines external lung surfaces
25
Q

Lobes of the lungs

A
  • left 2 lobes
  • right 3 lobes
26
Q

What is hilum?

A
  • where vessels and nerves pass from bronchus to lungs
26
Q

What is hilum?

A
  • where vessels and nerves pass from bronchus to lungs
27
Q

What is hilum?

A
  • where vessels and nerves pass from bronchus to lungs
28
Q

Intrapulmonary pressure

A
  • pressure in alveoli
29
Q

Intrapleural pressure

A
  • pressure in pleural cavity (4mmHg less than intrapulmonary pressure)
30
Q

Inspiration

A
  • pulmonary ventilation
  • muscles contract
  • diaphragm falls; ribcage rises; lungs stretch
  • Ppul < Patm
31
Q

Expiration

A
  • pulmonary ventilation
  • muscles relax
  • diaphragm rises; ribcage falls
32
Q

carbon dioxide transport in body

A
  • 10 percent dissolved in plasma
  • 20% bound to hemoglobin as carbaminohemoglobin
  • over 70% as bicarbonate ions in plasma