the respiratory system

Question 1

what is pulmonary ventilation

Answer 1

movement of air into and out of the lungs

Question 2

what is external respiration

Answer 2

oxygen and carbon dioxide exchange between the lungs and the blood

Question 3

what is internal respiration

Answer 3

oxygen and carbon dioxide exchanged between systemic blood vessels and tissues

Question 4

what is transport

Answer 4

oxygen and carbon dioxide in the blood

Question 5

what is the respiratory system divided into

Answer 5

the upper(above the larynx) and the lower(from the larynx down) systems

Question 6

what are the accessory functions of the respiratory system

Answer 6

1. protects respiratory surfaces from outside environment
2. produces sounds
3. participates in olfactory sense

Question 7

name examples of external respiration

Answer 7

pulmonary ventilation
gas diffusion -across membrane and capillaries
transport of oxygen and carbon dioxide - between alveolar capillaries and between capillary beds in other tissues

Question 8

what is internal respiration also known as

Answer 8

cellular respiration

Question 9

role of the nasal passages

Answer 9

warms- blood capillaries 
moistens-mucus
filter- hairs 
smell-receptors 
resonating chambers for voice 
passageway for respiration

Question 10

role of the mouth

Answer 10

takes in air which passes to pharynx

Question 11

role of the pharynx

Answer 11

mixes inhaled air the pathways of inhaled and food cross in pharynx

Question 12

role of the larynx

Answer 12

voice expanded structure of cartilage and muscle at the top of the traches

Question 13

role of the eppiglottise

Answer 13

seals over the trachea when your swallowing food

Question 14

function of the paranasal sinus in the nasal cavity

Answer 14

clean and moisten nasal cavity

Question 15

where is the olfactory region of the nose

Answer 15

superior portion

Question 16

what systems share pharynx

Answer 16

digestion and respiratory system

Question 17

what are the three sections of the pharynx

Answer 17

1nasopharynx contains pharyngeal tonsils
2oropharynx communicates with oral cavity
3laryngopharynx extends from hyoid bone to entrance to larynx and oesophagus

Question 18

what are the three unpaired cartilage that from the larynx

Answer 18

1thyroid cartilage hyaline anterior and lateral walls of larynx
2cricoid cartilage
hyaline posterior of larynx
3 epiglottis elastic cartilage ligaments attach to hyoid bone

Question 19

functions of the larynx

Answer 19

1 prevent entry of food and liquid into respiratory tract larynx is elevated
thyroid and cricoid cartilage support and protect
voice production

Question 20

where is the trachea

Answer 20

anterior to the oesophagus

Question 21

where does it start from and where does it end

Answer 21

cricoid cartilage into mediastinum

Question 22

what are the ends of the tracheal cartilage made of

Answer 22

elastic ligaments and trachealis muscle

Question 23

what separated the left and right primary bronchi

Answer 23

carina

Question 24

how does the right primary bronchus differ from the left primary bronchus

Answer 24

the right is larger in diameter than the left

the right descends at a steeper angle

Question 25

what is the hilus

Answer 25

where pulmonary nerves blood vessels and lymphatics enter the lung anchored in a meshwork of ct

Question 26

what are the primary bronchus

Answer 26

one secondary bronchus goes to each lobe

Question 27

what are the secondary bronchi

Answer 27

branch to form tertiary bronchi

Question 28

describe the structure of the bronchial

Answer 28

progressively less cartilage and more smooth muscle increasing muscular effects on the airway constriction and resistance

Question 29

where are the lungs

Answer 29

pleural cavity

Question 30

what is the lungs lined with

Answer 30

mucus secreting epithelium