Layers

Question 0

What are the layers of the respiratory tract?

Answer 0

Ciliated Pseudostratified columnar —> Simple columnar/cuboidal
Lamina Propria —> disappears
Submucosa —> disappears
C-shaped cartilage —> full circular —> none

Question 1

What are the layers of the alimentary tract?

Answer 1

Epithelia
Lamina Propria
Muscularis Mucosae
Submucosa (connective tissue)
Muscularis Externa (inner: circular outer: longitudinal)
Serosa (mesothelium & connective tissue)

Question 2

What are the cells present in the alveoli?

Answer 2

Simple squamous epithelia (90%)
+ Simple cuboidal (secretes surfactant to reduce surface tension)

Macrophages

Capillary basketwork

Question 3

What are the layers of the urinary tract?

Answer 3

Transitional epithelia 
Lamina Propria 
Submucosa 
Muscularis Externa (different layers)
Adventitia

Question 4

What are the layers of arteries and veins?

Answer 4

Tunica intima (endothelium)

Tunica media (circular smooth muscle, collagen, elastic fibres, reticular fibres)

Tunica adventitia (longitudinal smooth muscle, collagen, elastic fibres)