Respiration

Question 1

Function of nasal cavity

Answer 1

Warms and moistens air, cilia filter out debris

Question 2

Function of pharynx

Answer 2

Common passageway for air to trachea and food to esophagus

Question 3

Function of Larynx

Answer 3

At top of trachea, voice box - contains vocal cords

Question 4

Function of trachea

Answer 4

Wind pipe
Held open by rings of cartilage, contains mucus to trap debris and cilia to sweep it out

Question 5

Function of bronchus

Answer 5

Divides off trachea, one to each lung
(Pl-bronchi)

Question 6

Function of lungs

Answer 6

Exchange of gases between air and blood

Question 7

Function of bronchioles

Answer 7

Smaller airways, end in alveoli

Question 8

Function of alveoli

Answer 8

Site of gas exchange within lungs

Question 9

Cellular respiration

Answer 9

Production of ATP in cells

Question 10

Internal respiration

Answer 10

Exchange of gases between blood and tissue fluid

Question 11

External respiration

Answer 11

Change of gases (o2 and co2) between air (in alveoli) and blood

Question 12

Breathing

Answer 12

Entrance and exit of air into and out of the lungs.

Question 13

What is the rate of breathing

Answer 13

On average about 14-20 times a minute

Question 14

Alveoli location

Answer 14

Sack- like structure at the end of each branch of broncioles

Question 15

Alveoli location

Answer 15

Sack- like structure at the end of each branch of broncioles

Question 16

Function of alveoli

Answer 16

Supplied with a net-work of capillaries which pick up oxygen we breathe in.

Carbon dioxide diffuses into them from the blood and we breathe out.

Question 17

Structure of alveoli

Answer 17

Highly folded to increase surface area
Very thin and moist to allow diffusion between air and blood

Question 18

Alveoli thin film of lipoprotein function

Answer 18

Coats the inner lining this lining prevents alveoli from collapsing

Question 19

Outer Pleural membrane

Answer 19

Adheres closely to the walls of the chest and diaphragm

Question 20

Inner pleural membrane

Answer 20

Fused to lungs

Question 21

Pleural membranes

Answer 21

Help keep the lungs inflated and allow the lungs to move freely and with out friction in the thoracic cavity

Separated by a thin film of fluid

Question 22

Cilia

Answer 22

Lining of upper airway, help keep the windpipe free of debris.
Will take mucus upward to the esophagus and you will swallow it.
Smoking destroyed cilia