Reproductive System

Question 1

Primary functions

Answer 1

your lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe. The respiratory system’s main job is to move fresh air into your body while removing waste gases

Question 2

Secondary functions

Answer 2

voice production, body temperature and acid-base regulation, and the sense of smell

Question 3

Conducting Zone

Answer 3

provide passageways for air to travel into and out of the lungs: the nasal cavity, pharynx, trachea, bronchi, and most bronchioles

Question 4

Respiratory Zone

Answer 4

These thin-walled structures allow inhaled oxygen (O2) to diffuse into the lung capillaries in exchange for carbon dioxide (CO2)

Question 5

Nose

Answer 5

surface and skeletal structures (appearance)

Question 6

Pharynx

Answer 6

the part of the throat situated immediately posterior to the mouth and nasal cavity, and superior to the esophagus and larynx

Question 7

Larynx

Answer 7

The larynx is also involved in sound production and protecting the trachea against food aspiration.

Question 8

Trachea

Answer 8

a tube that connects the pharynx or larynx to the lungs, allowing the passage of air.

Question 9

Alveolar duct

Answer 9

a tube composed of smooth muscle and connective tissue, which opens into a cluster of alveoli.

Question 10

Alveolus

Answer 10

one of the many small, grape-like sacs that are attached to the alveolar ducts.

Question 11

Alveolar sac

Answer 11

a cluster of many individual alveoli that are responsible for gas exchange.

Question 12

Boyle’s Law (formula)

Answer 12

A modern statement of Boyle’s law is: Mathematically, Boyle’s law can be stated as: or where P is the pressure of the gas, V is the volume of the gas, and k is a constant.

Question 13

Boyle’s Law (text explanation)

Answer 13

he pressure of an ideal gas increases as its container volume decreases

Question 14

Inspiration

Answer 14

The mechanics of breathing …air enters the lungs (inspiration), provided the larynx is open; when the air pressure within the alveoli exceeds atmospheric pressure, air is blown from the lungs

Question 15

Expiration

Answer 15

The external intercostal muscles relax and thus the ribs becomes depressed

Question 16

Medulla Oblongata

Answer 16

the connection between the brainstem and the spinal cord, carrying multiple important functional centers. It is comprised of the cardiovascular-respiratory regulation system, descending motor tracts, ascending sensory tracts, and origin of cranial nerves IX, X, XI, and XII.

Question 17

Eupnea

Answer 17

a mode of breathing that occurs at rest and does not require the cognitive thought of the individual. During quiet breathing, the diaphragm and external intercostals must contract

Question 18

Diaphragmatic breathing

Answer 18

requires the diaphragm to contract. As the diaphragm relaxes, air passively leaves the lungs

Question 19

Hyperpnea

Answer 19

a mode of breathing that can occur during exercise or actions that require the active manipulation of breathing, such as singing. During forced breathing, inspiration and expiration both occur due to muscle contractions.

Question 20

Diaphragm

Answer 20

A signal is sent from the brain, and the diaphragm contracts and flattens, thereby increasing the space in the thoracic cavity.

Question 21

Atelectasis

Answer 21

a complete or partial collapse of the entire lung or area (lobe) of the lung.

Question 22

Pneumonia

Answer 22

an infection that inflames your lungs’ air sacs (alveoli).

Question 23

Asthma

Answer 23

a condition in which your airways narrow and swell and may produce extra mucus

Question 24

Emphysema

Answer 24

a lung condition that causes shortness of breath.

Question 25

Chronic Bronchitis

Answer 25

refers to long-standing inflammation of the bronchial tree accompanied by deep cough and sputum production.

Question 26

Pneumothorax

Answer 26

condition in which air accumulates in the pleural space, causing it to expand and thus compress the underlying lung

Question 27

Tuberculosis

Answer 27

a contagious infection that usually attacks your lungs