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Unit 5 (Respiratory System) > Organs > Flashcards

Flashcards in Organs Deck (16)
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1
Q

Nose

A

Lined with mucous membrane and fine hairs. It acts as a filter to moisten and warm the entering air

2
Q

Nasal Septum

A

Partition separating the right and left nasal cavities

3
Q

Paranasal Sinuses

A

Air cavities within the carnival bones that open into the nasal cavities

4
Q

Pharynx (throat)

A

Serves as a food and air passageway.
(Food->esophagus)
(Air->larynx)

5
Q

Adenoids

A

Lymphoid tissue located behind the nasal cavity

6
Q

Tonsils

A

Lymphoid tissue located behind the mouth

7
Q

Larynx (voice box)

A

Location of the vocal cords

Air from pharynx

8
Q

Epiglottis

A

Flap of cartilage that automatically covers the opening of and keeps food from entering the larynx during swallowing

9
Q

Trachea (windpipe)

A

Passageway for air to the bronchi

10
Q

Bronchus (plural: bronchi)

A

Branch from trachea that conducts air into lungs, where it divides and subdivides (bronchial tree)

11
Q

Bronchioles

A

Smallest subdivision of the bronchial tree

12
Q

Alveolus (plural: alveoli)

A

Air sacs at the end of the bronchioles. Oxygen and carbon dioxide are exchanged through the alveolar walls and capillaries

13
Q

Lungs

A

Two spongelike organs in the thoracic cavity. The right lung has 3 lobes and the left has 2

14
Q

Pleura

A

Serous membrane covering each lung and lining the thoracic cavity

15
Q

Diaphragm

A

Muscular partition that separates the thoracic cavity from the abdominal cavity (helps breathing)

16
Q

Mediastinum

A

Space between the lungs

heart, esophagus, trachea, great blood vessels and other structures