Breathing And Gaseous Exchange In Humans

Question 1

Bronchiole

Answer 1

Airways

Question 2

Bronchus

Answer 2

Airways leading from the trachea to the left and right lungs. They divide to form BRONCHIOLES

Question 3

Cartilage

Answer 3

A kind of tissue that forms rigid supporting rings in the trachea preventing it from collapsing when the internal pressure falls during inhalation

Question 4

Diaphragm

Answer 4

Dime shaped sheet of muscle that forms a boundary between the thorax and the abdomen

Question 5

Epiglottis

Answer 5

Flap of tissue that covers the opening of the larynx during swallowing.

Question 6

Intercostal muscles

Answer 6

Muscles that lie in between the ribs

Question 7

Larynx

Answer 7

The voice box. Lies between the pharynx and the trachea

Question 8

Oesaphagus

Answer 8

Lies behind the trachea. Leads from the pharynx to the stomach

Question 9

Pharynx

Answer 9

The throat. Leads to both the nasal and mouth cavities

Question 10

Pleural fluid

Answer 10

Lies in between the two pleural membranesim the pleural cavity. Acts as a lubricant and holds the two membranes together due to surface tension.

Question 11

Trachea

Answer 11

Windpipe. Leads from the larynx to the lungs where it branches to form rhe two bronchi.

Question 12

Alveoli

Answer 12

Small air filled chambers where gas exchange takes place