Tissue

Question 1

What is Epithelial Tissue and what are its functions?

Answer 1

Covers the whole surface of the body, made of closely packed layers of cells.

• Specialised to form the lining of all internal and external body surfaces
• Often have a protective or secretory function
• Cells sit on a basement membrane made of collagen and proteins

Question 2

Where are squamous, cuboidal and columnar epithelium tissue found?

Answer 2

Squamous- makes alveoli in lungs
Cuboidal- lines kidney tubules and in liver
Columnar- found in respiratory tract

Question 3

Define stratified

Answer 3

Layers of epithelium

Question 4

Define Cilia

Answer 4

Makes cell look furry/hairy

• help the cell move
• help other debris/substances move across the surface

Question 5

What is simple epithelium?

Answer 5

One layer

Question 6

What are the four types of muscle tissue and what do they do?

Answer 6

Skeletal- cause movement you can control by contraction, attached to bones and in a striped pattern

• Smooth- spindle long and thin shaped cells less powerful than skeletal snd cause uncontrollable movement
• Cardiac- heart tissue that contracts without stimulation
• Connective- connects, supports and deleted, made of collagen fibres in an extra cellular matrix, elastic.

Question 7

What is AIM

Answer 7

Actual length=

Image length/magnification

Question 8

How is millimetres turned into micrometers?

Answer 8

x1000

Question 9

Define Solvent & Solute

Answer 9

Solvent- a substance that a chemical can dissolve in

Solute- a molecule that dissolves in a solvent

Question 10

Define Tissue

Answer 10

Cells working with the same function together