Respiratory System

Question 1

Ventilation/breathing has what steps

Answer 1

inhalation/inspiration-breathing in
and
exhalation/expiration-breathing out

Question 2

One respiratory cycle is

Answer 2

one inhale and one exhale

Question 3

Exchange of the respiratory gasses, oxygen, and carbon dioxide are between the lungs and…

Answer 3

body cells via blood

Question 4

Upper respiratory tract consists of…

Answer 4

nose, nasal cavity, pharynx, larynx, upper tracheas, mouth and ears

Question 5

Lower respiratory tract consists of…

Answer 5

lower trachea, bronchi, bronchioles, alveoli, lungs, pleural membranes, and muscles of the chest cavity

Question 6

External respiration is…

Answer 6

process of inhaling, then taking the air to the lungs and blood

Question 7

Internal respiration is…

Answer 7

process of exhaling, then taking the oxygen from the blood to other cells in the body

Question 8

Pathway of air

Answer 8

nostril, nasal cavity, pharynx, larynx, trachea, bronchus, lungs, bronchioles, alveoli

Question 9

How many divisions/lobes does the right lung have

Answer 9

3

Question 10

Which lung is lighter with 2 lobes

Answer 10

left lung

Question 11

Where are the lungs

Answer 11

in the thoratic cavity, bounded by ribs and the diaphragm

Question 12

What is the pleura

Answer 12

the lining encasing the lungs

Question 13

how many alveoli per lung

Answer 13

aprx 300 million

Question 14

when air moves into the lungs, oxygen in the air crosses the ___ membrane along with the capillary walls and enters the blood

Answer 14

alveolar membranes

Question 15

What diffuses from the alveoli into the blood due to concentration gradient?

Answer 15

Oxygen

Question 16

What diffuses from the blood into the alveoli due to concentration gradient?

Answer 16

Carbon dioxide

Question 17

After oxygen moves into the red blood cells it combines with what?

Answer 17

hemoglobin

Question 18

Is the oxygen concentration higher in cells or oxygenated blood

Answer 18

blood, so oxygen is released from the hemoglobin and diffuses out of the capillaries

Question 19

Is the concentration of carbon dioxide higher in cells or blood

Answer 19

cells so it diffuses out of the cells into the blood

Question 20

only ___% of Carbon dioxide dissolves in plasma

Answer 20

8

Question 21

when you inhale your chest

Answer 21

expands and muscles (diaphragm) contract

Question 22

the rate at which oxygen is used depends on the activity of what

Answer 22

cells

Question 23

rate of breathing is controlled by

Answer 23

the brain stem

Question 24

high levels of carbon dioxide in blood stimulate what in the brain

Answer 24

nerve cells

Question 25

mitochondria

Answer 25

where cellular respiration takes place

Question 26

epiglottis

Answer 26

prevents food going down wrong pipe

Question 27

voice box

Answer 27

larynx

Question 28

medulla

Answer 28

respiratory center of the brain

Question 29

wind pipe

Answer 29

trachea

Question 30

pharynx

Answer 30

space in back of oral cavity

Question 31

concha

Answer 31

bones that divide nasal cavity