Epithelia

Question 1

What are the four types of tissues and their function?

Answer 1

1. Epithelia- lining
2. Nervous- communication and control
3. Muscular- movement
4. Connective- support

Question 2

What are epithelia’s functions

Answer 2

1. Protection- covering and lining the hollow such as the stomach
2. Filteration
3. Absorption
4. Secretion
5. Excretion
6. Sensory reception - Picking up what is happening inside and oue

Question 3

What is the outer and inside layers called and what is beneath the layers ?

Answer 3

Apical is outer and basal is inner
There are 2 types of lamina, these are made from connective tissue and they tell the epithelia not to penerate it

Question 4

What is simple and straitified tissue

Answer 4

Simple is a cell of one layer and stratified is multiple layers.

Question 5

What are the 3 types of shapes and what are they described as?

Answer 5

1. Squamous- squeezed
2. Cuboidal- cube
3. Columnar- Column

Question 6

What are the different types of simple tissue, what are they used for and where are they located?

Answer 6

1.Simple squamous is used for absorption and filteration, it is located in the alveoli for gas exchange
2.Simple cubodial is used for absorption and secretion, it is loacted in the GIT for absorption of H20 (Large diameter)
3.Simple columnar is used for absorption and filteration (large diameter), loacted in the GIT for mucus production

Question 7

What are the different types of stratified tissues and what are they used for ?

Answer 7

1. Stratified squamous is used for protection and they are located in the mouth and skin
2. Stratified cuboidal and columnar are used in secretion and protection

Question 8

What is the transitional epithelium

Answer 8

This tissue contains all the shapes of tissue it can be loacted in the bladder as it stretches and returns back to it normal size after urine has been excreted.