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Bio Exam 2017 > Respiratory > Flashcards

Flashcards in Respiratory Deck (23)
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1

During inhalation, oxygen will move directly from the trachea into the...

Bronchi

2

What reduces the friction between the lungs and rib cage during respiration?

- Plural membranes
- Intra plural membranes

3

Which part of the respiratory tract does diffusion of oxygen and carbon dioxide occur?

alveoli

4

How much CO2 do humans exhale on a normal breath?

4.0%

5

what is the name of the maximum amount of air that can be moved into or out of the lungs in a single breath?

Vital Capacity

6

what chemical in the blood is detected by chemoreceptors, triggering inhalation and exhalation?

hydrogen ions

7

what traps foreign particles in our respiratory system?

mucus and cilia

8

the pharynx is a passage way for...?

food and air

9

external respiration

is the gas exchange between the alveoli and the red blood cells

10

internal respiration

the gas exchange between the red blood cells and the cells in the muscle and tissues

11

the inner surface of each alveolus is lined with...

surfactant

12

during inhalation, oxygen will travel from the bronchi directly to the...

bronchioles

13

vocal cords are found in the

larynx

14

the volume of air exhaled through forced expiration is called the

expiratory reserve

15

residual volume

the volume of air that remains in your lungs so that they do not collapse

16

What combines with cell oxygen to produce energy?

Glucose and ADP

17

what is directly produced during cellular respiration?

water and carbon dioxide

18

how many lobes does the right and left lung have?

Right- 3
Left- 2

19

when you inhale, your diaphragm...

contracts

20

whats the correct pathway for an oxygen molecule entering the respiratory system?

- nasal cavity
- pharynx
- larynx
- trachea
- bronchi
-bronchioles
alveoli

21

tidal volume

the volume of air moved in and out with each normal breath

22

expiratory reserve

the air expelled through forced expiration

23

inspiration reserve

the air taken in through forced inspiration