Organisation of cells into Tissues and Organs

Question 1

Name the three major Salivary Glands.

Answer 1

Parotid,
Submandibular,
Sublingual.

Question 2

What are the four major layers of the GI tract? (oesophagus -> anus)

Answer 2

Mucosa,
Submucosa,
Muscularis externa,
Serosa or Advantitia.

Question 3

Describe the mucosa layer of the GI tract.

Answer 3

3 Parts; Epithelium - sits on basal lamina
Lamina propria - loose connective tissue
Muscularis Mucosae - thin layer of smooth muscle

Question 4

Describe the submucosa

Answer 4

Loose connective tissue

Question 5

Describe the Muscularis Externa

Answer 5

Two thick layers of smooth muscle, - an inner circular layer and an outer longitudinal layer

Question 6

Describe the Adventitia Layer

Answer 6

An outer layer of connective tissue the either suspends the digestive tract of attaches to other organs.

Question 7

what is the difference between bronchi and Bronchioles?

Answer 7

Bronchi - Large diameter airways and have hyaline cartilage in their walls.
Bronchioles - Are smaller airways, have no cartilage and smooth muscle predominates in their walls.

Question 8

What is the name of the digestive systems own nervous system?

Answer 8

Enteric system.

Question 9

What is the name of the hexagonal components which make up the liver?

Answer 9

Lobule

Question 10

Which Gland(s) does the pancreas possess?

Answer 10

Both endocrine (pancreatic digestive enzymes) and Exocrine(islets of Langerhans - produce insulin)