Tissues

Question 1

Epithelial tissue

Answer 1

Function

• protection from dehydration
• low friction surfaces

Question 2

Types of epithelial tissue (3)

Answer 2

Squamous - flat, squished cells that line the mouth, skin, digestive track, etc.

Columnar - tall like columns. Contains cilia on their edges to sweep out dust and debris from respiratory passages and nose

Cuboidal - cube-shaped cells that line blood vessels and ducts

Question 3

Connective and supporting

Answer 3

Function

• support
• insulation

Question 4

Types of connective and supporting tissue (6)

Answer 4

Bone - strong like a tree’s trunk to support body

Ligament - tough but flexible to join bone to bone

Adipose - fatty tissue that cushions and supports internal organs

Tendon - tough but flexible to connect muscle to bone

Cartilage - tough but flexible and spongy, found in ears, nose, trachea

Blood cells – RBCs: they lack a nucleus at maturity to increase surface area to increase 02 capacity
WBCs: to fight infection
Platelets: small and sticky to clot blood and prevent bleeding

Question 5

Muscle tissue

Answer 5

Function

-long and contractile to move bones and organs

Question 6

Types of muscle tissue (3)

Answer 6

Skeletal/straightahead – moves bones, voluntary

Cardiac – moves heart, involuntary

Smooth - moves stomach, intestines, involuntary

Question 7

Nervous tissue

Answer 7

Function

• sensory
• branched for communication with other cells and organs
• coordination of body functions

Question 8

Types of nervous tissue (1)

Answer 8

Neuron - main cell type