Respiratory System Flashcards Preview

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Flashcards in Respiratory System Deck (13)
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1
Q

Respiratory system consists of:

A
Nose
Pharynx
Larynx
Trachea
Bronchi
Lungs w/ their alveoli
Diaphragm
Muscles surrounding ribs
2
Q

External respiration:

A

Exchange of gases between the atmosphere and the blood through the alveoli

3
Q

Internal respiration:

A

Exchange of gases between the blood and the body cells

4
Q

Function of respiratory system:

A

To supply oxygen to the body and eliminate carbon dioxide

5
Q

Upper passageways of the respiratory system serve to:

A

Warm, filter, and moisten incoming air

6
Q

Upper respiratory tubules are lined with:

A

Cilia that help to trap debris and keep foreign substances from entering the lungs

7
Q

Inhalation:

A

Contraction of the diaphragm to enlarge the thoracic cavity and draw air into the lungs

8
Q

Regulator of blood pH:

A

Carbon dioxide

9
Q

Exhalation:

A

Lungs recoil as respiratory muscles relax and thorax decreases in size

10
Q

Nose is:

A

The first body part of air intake/removal of CO2

11
Q

Pharynx consists of:

A

Nasopharynx, oropharynx, laryngopharynx

12
Q

Larynx consists of:

A

Epiglottis (prevents food from entering), thyroid cartilage/Adam’s apple, cricoid cartilage

13
Q

Alveoli:

A

Microscopic sacs where gas exchange occurs