BIO20- Respiratory System

Question 1

Breathing

Answer 1

Moving air in and out of the lungs.
Inspiration(inhaling) expiration (exhaling)

Question 2

External respiration

Answer 2

Gas exchange between lungs and blood. (Exchange of oxygen and carbon dioxide between the air and the blood)

Question 3

Internal respiration

Answer 3

Gas exchange between blood and body cells. (Exchange of oxygen and carbon dioxide)^^

Question 4

Cellular respiration

Answer 4

Cells using oxygen to make energy.

Question 5

Inhalation

Answer 5

Breathing in (air enters lungs).

Question 6

Exhalation

Answer 6

Breathing out (air leaves lungs).

Question 7

Tidal volume

Answer 7

Air breathed in or out in one normal breath.

Question 8

Inspiratory reserve volume (IRV)

Answer 8

Extra air you can inhale after a normal breath.

Question 9

Expiratory reserve volume (ERV)

Answer 9

Extra air you can exhale after a normal breath.

Question 10

Vital capacity (VC)

Answer 10

Maximum air you can exhale after taking the deepest breath.

Question 11

Residual volume (RV)

Answer 11

Air left in lungs after full exhalation.

Question 12

Total lung capacity

Answer 12

Total amount of air your lungs can hold.

Question 13

Carbaminohemoglobin

Answer 13

Carbon dioxide attached to hemoglobin in blood.

Question 14

Carbonic acid

Answer 14

A form of carbon dioxide in the blood.

Question 15

Chemoreceptors

Answer 15

Cells that detect oxygen and carbon dioxide levels in blood.

Question 16

Respiratory tract

Answer 16

Pathway for air (nose to lungs).

Question 17

Nostrils

Answer 17

Openings for air to enter the nose.

Question 18

Nasal cavity

Answer 18

Space inside the nose that warms and filters air.

Question 19

Pharynx

Answer 19

Throat; passage for air and food.

Question 20

Glottis

Answer 20

Opening to the larynx.

Question 21

Epiglottis

Answer 21

Flap that covers the trachea when swallowing.

Question 22

Larynx

Answer 22

Voice box; produces sound.
The larynx consists of two thin sheets of elastic ligaments, which form the vocal cords.

Question 23

Vocal cords

Answer 23

Vibrate to create sound.

Question 24

Trachea

Answer 24

Windpipe; carries air to lungs.u

Question 25

Pleural membrane

Answer 25

Thin layer around lungs for protection.

Question 26

Bronchus

Answer 26

Large air tubes that lead to each lung.

Question 27

Bronchiole

Answer 27

Small air tubes in the lungs.

Question 28

Alveolus

Answer 28

Tiny air sacs where gas exchange happens.

Question 29

Intercostal muscles

Answer 29

Muscles between ribs that help with breathing.

Question 30

Diaphraam

Answer 30

Main breathing muscle under the lungs.

Question 31

Respiratory distress syndrome (RDS)

Answer 31

Breathing difficulty in newborns due to immature lungs.

Question 32

Hiccup

Answer 32

Sudden diaphragm spasm causing a sound.

Question 33

Tonsillitis

Answer 33

Infection of the tonsils.

Question 34

Laryngitis

Answer 34

Inflammation of the voice box (larynx).

Question 35

Bronchitis

Answer 35

Inflammation of the bronchi (airways).

Question 36

Acute vs chronic

Answer 36

Acute = short-term, chronic = long-lasting.

Question 37

Pneumonia

Answer 37

Infection in the lungs causing fluid buildup.

Question 38

Lobular vs bronchial

Answer 38

Lobular = affects part of a lung, bronchial = affects airways.

Question 39

Pleurisy

Answer 39

Inflammation of the pleural membrane.

Question 40

Pneumothorax

Answer 40

Collapsed lung due to air in the chest cavity.

Question 41

Emphysema

Answer 41

Lung disease where alveoli are damaged, making breathing hard.

Question 42

Cystic fibrosis

Answer 42

Genetic disease that makes thick mucus, blocking airways.

Question 43

Asthma

Answer 43

Airways become inflamed and narrow, making it hard to breathe

Question 44

Lung cance

Answer 44

Uncontrolled cell growth in the lungs.

Question 45

Alveoli

Answer 45

Each brochiole ends in a cluster of a tiny sacs????