CHAPTER 11_Gas Exchange in Humans

Ribs

A bone structure which protects internal organs such as muscles

Diaphragm

A sheet of connective tissue & muscle which is located at the bottom of the thorax, helping in volume change of the thorax for inhalation & exhalation.

Intercostal muscles

Muscles between the ribs which control their movement causing inhalation and exhalation

Trachea

A windpipe which connects mouth and nose to lungs

Larynx

Also known as the voice box, which when air passes through allows us to make sounds.

Bronchi (PL)

Are large tubes which branch of the trachea into a singular bronchus

Bronchioles

A tube which is split from Bronchi into two smaller tubes, into the lungs, which is connected to the alveoli.A

Alveoli

Are tiny air sacs where gas exchange takes place