Respitory System

Question 1

Pleura

Answer 1

A membrane which covers both the lungs and inner walls of the chest cavity

Question 2

Pleural fluid

Answer 2

Between the chest cavity and the pleura, allows the lungs to slide along the walls of the chest while breathing

Question 3

Nasal cavity

Answer 3

Projections - which increases surface area
Mucus - filters, warms and moistens air
Filters, warms and moistens the air

Question 4

Pharynx

Answer 4

Open - Passage for air and food

Circular muscles - push of food

Question 5

Epiglottis

Answer 5

Flap of tissue - that closes off the trachea so you don’t end up with water or food in your airways

Question 6

Larynx

Answer 6

Voice box - air passes over the vocal cords to make sounds

Cartilage - holds the shape

Question 7

Trachea

Answer 7

Lined with cilia - carriers air to and from the lungs

Mucus membrane - purifies air

Question 8

Bronchi

Answer 8

Divisions of the trachea - Carrie’s air to and from the lungs, divides the lungs into left and right
Lined with cilia -
Mucus membrane - purifies air

Question 9

Bronchioles

Answer 9

Fine tubes - passages to alveoli

Lined with cilia -

Question 10

Alveoli

Answer 10

Tiny air sacs - increase surface area
Majority of lungs
Covered in blood vessels - allows more gasses exchange
Thin walls - allows more gasses exchange

Question 11

Ribs

Answer 11

Hard framework - protection

Allow for breathing - expands the area of the lungs

Question 12

Intercostal muscles

Answer 12

Muscles between the ribs - moves the rib cage up and down