Respiration

Question 0

A pharynx is?

Answer 0

An open area that air passes through

Question 1

Once air enters through the nose it is warmed and filtered it passes through the?

Answer 1

Nasal cavity

Question 2

A pharynx has an __________ that prevents food from entering the trachea

Answer 2

Epiglottis

Question 3

The trachea is?

Answer 3

A tube that air moves down. It’s lined with rings composed of cartilage

Question 4

The bronchi are?

Answer 4

A smaller set of tubes that air passes through

Question 5

Bronchi branch off into?

Answer 5

Small circular sacs called alveoli

Question 6

Alveoli contain _______ that moistens the air. This allows?

Answer 6

Water

For the movement of gases through the process of diffusion

Question 7

What are the thin blood vessels that surround the alveoli?

Answer 7

Capillaries

Question 8

In inhalation the dome shaped _______ moves down while the __________ muscles raise the rib cage. This creates a partial vacuum in the cavity and _______ pressure inflates the lungs

Answer 8

Diaphragm
Intercostal
Atmospheric

Question 9

Gas exchange occurs across the?

Answer 9

Thin alveolar walls, between the blood and air

Question 10

Blood entering the lungs from the bodies tissues contains _______ partial pressure of CO2 and ______ partial pressure of O2

Answer 10

High

Low

Question 11

Blood entering the lungs from the outside air contains ____ partial pressure of CO2 and ____ partial pressure of O2

Answer 11

Low

high

Question 12

Hemoglobin has a strong affinity for ____ when partial pressure are high

Answer 12

O2

Question 13

Lungs expand

Chest enlarged

Less air pressure in lungs than environment

Answer 13

Inspiration

Question 14

Muscles (diaphragm & ribs) relaxed

Diaphragm dome shaped

Answer 14

Expiration

Question 15

What structures prevent the collapse of the trachea and bronchi?

Answer 15

Cartilage

Question 16

Lung tissue carries out an exchange of gasses, what is the name of the circular structure that carries out the exchange?

Answer 16

Alveoli

Question 17

Oxygen and Carbon dioxide require what substance to diffuse through?

Answer 17

Water

Question 18

Rapid breathing of air is called?

Answer 18

Hyperventilation

Question 19

What does hyperventilating do to overall blood oxygen levels?

Answer 19

Increases them

Question 20

What part of the brain is responsible for breathing rates?

Answer 20

The medulla oblongata

Question 21

Which muscle forms a dome at the bottom of the lungs?

Answer 21

Diaphragm

Question 22

What happens to the diaphragm when you breath in?

Answer 22

It flattens

Question 23

What muscles are located between the ribs?

Answer 23

Intercostal

Question 24

Oxygen is transported as _______ in the blood stream

Answer 24

Oxyhemoglobin

Question 25

What is the most common form of CO2 in the blood stream?

Answer 25

Bicarbonate

Question 26

When you take in tidal volume what type of breathing are you doing?

Answer 26

A normal breath in and out

Question 27

What volume of air can never be breathed out?

Answer 27

Reserve volume

Question 28

What is bronchitis?

Answer 28

The type of respiratory condition that exhibits excessive amounts of mucus in the bronchi and bronchioles

Question 29

What prevents lungs from collapsing?

Answer 29

A vacuum created by water and the pleural membrane

Question 30

What term describes the max amount of air within the lungs?

Answer 30

Total lung capacity