Respritory System Anatomy Notes

Question 1

Functions

Answer 1

-Provide body with oxygen and eliminate carbon dioxide (exchange of O2 and CO2)
-Breathing in fresh air/ exhaling out old air
-Pass air over vocal cords to produce sound

Question 2

Inspiration

Answer 2

breathing in

Question 3

Expiration

Answer 3

breathing out

Question 4

Respiration

Answer 4

exchange of oxygen and carbon dioxide

Question 5

Ventilation

Answer 5

process of moving air in and out of the lungs

Question 6

Nostrils

Answer 6

two openings into the nose. Air enters here

Question 7

Mucous Memb

Answer 7

warm, filter, and moisten air, sense of smell

Question 8

Cilia

Answer 8

microscopic hairs in nasal cavities that filter air and move mucus

Question 9

Sinus

Answer 9

hollow areas in skull that provide resonance for voice
-connected by small tubes to back of nasal cavities

Question 10

Pharnyx

Answer 10

transports air, liquids, and food
-Divided at inferior end-anteriot tube takes air; posterior end becomes esophagus and carries food and liquds to stomach

Question 11

Epiglottis

Answer 11

flap of cartilage that opens to allow air into lungs; closes to keep out liquids and food

Question 12

Larnyx

Answer 12

box of cartilage that contains vocal cords

Question 13

Vocal Cords

Answer 13

vibrate when exhaling to create voice

Question 14

trachea

Answer 14

10-12 inch flexible tube that carriers air into chest cavity

Question 15

Bronchus

Answer 15

two rigid tubes that branch off the trachea; one to each lung

Question 16

Bronchioles

Answer 16

multiple branches of smaller tubes that take air into all parts of lungs

Question 17

Alveoli

Answer 17

microscopic air sacs at ends of smallest bronchioles
-Exchange oxygen and carbon dioxide with blood

Question 18

lungs

Answer 18

two spongy organs divided into segments called lobes
Rt lungs has -3- lobes
Lft lungs has -2- lobes