Lungs

Question 1

How many lobes does each side of the lung have?

Answer 1

Right:3
Left: 2

Question 2

What is the lung composed of?

Answer 2

Connective tissue
Smaller conducting airways.
Alveoli

Question 3

What and where is Pleural membrane?

Answer 3

Surrounds each lung

Double layer.

Question 4

What are the layers of the pleural membrane?

Answer 4

Inner: Visceral pleura
outer: Parieta pleura, attaches the outer lung to the inner surface of the ribs and chest.
Lubricating layer: layer between the two that allows the layers to glide to enable the lungs to expand and recoil..

Layers resit being pulled apart to support breathing.

Question 5

What regulates air flow through the bronchioles and alveoli?

Answer 5

Autonomic nervous system and sensory receptors that respond to cold air and irritants

Question 6

What are terminal bronchioles made up of, and what do this allow?

Answer 6

Smooth muscles

Allows the terminals to bronchoconstrict and dilate.