Respiratory System Chapter 10

Question 1

_____ ____ in the nasal cavities filter the air and trap small particles. The rest of the nasal cavities are lined with ____ _____, which helps trap dust and move it to the pharynx to be swallowed and coughed out

Answer 1

stiff hairs
mucous membrane

Question 2

Under the mucous layer is the ____, which contains capillaries to warm and moisten incoming air (Nasal cavity

Answer 2

Submucosa

Question 3

The pharynx, commonly referred to as the ____, connects the nasal and oral cavities to the _____.

Answer 3

throat
larynx

Question 4

The larynx serves as a passageway for air between the ______ and the _____

Answer 4

pharynx
trachea

Question 5

The larynx is also called the ____ ___, because it contains the vocal chords

Answer 5

voice box

Question 6

A flap of tissue that prevents food from passing into the larynx

Answer 6

epiglottis

Question 7

Often called the windpipe and connects the larynx to the primary bronchii

Answer 7

trachea

Question 8

The trachea divides into right and left primary _____

Answer 8

bronchi

Question 9

Lined by epithelial cells and goblet cells (mucus producing cells and in the epithelium) and is is where debris is captured by mucus and swept out

Answer 9

Trachea

Question 10

Has bronchioles terminate at alveolar sacs
Is the site of gas exchange
Has inner lining that contains surfactant

Answer 10

Alveoli

Question 11

During gas exchange, Gasses diffuse from ___ pressure to ____ pressure (simple diffusion)
Both O2 and CO2 behave this way

Answer 11

high low

Question 12

CO2 _____ at the alveoli

Answer 12

exits

Question 13

O2 ______ at the Alveoli

Answer 13

enters

Question 14

CO2 ____ at the tissues

Answer 14

enters

Question 15

O2 _____ at the tissues

Answer 15

exits

Question 16

Most oxygen transported by the blood is carried by ________

Answer 16

hemoglobin

Question 17

At the alveoli, oxygen is breathed in and diffuses from the _____ to the ____ _____ _____ in the lungs

Answer 17

plasma
red blood cells

Question 18

At the body tissues, oxygen needed by the cells diffuses from the ___ to the ______

Answer 18

blood
tissues

Question 19

What gas is transported in these three ways
dissolved in solution
buffered with water as carbonic acid
Bound to proteins, particularly haemoglobin

Answer 19

CO2

Question 20

At the body tissues, CO2 from cell respiration diffuses from the ____ to the ____

Answer 20

tissues blood

Question 21

CO2 at the alveoli, is exhaled out diffuses from the ____ to the ______

Answer 21

blood
alveoli