Question

select one:
a. trachea
b. nose
c. joints
d. external ear
e. costal cartilage (ribs)

epithelium consists of cells with lots of extracellular material
select one:
true
false

Explanation:

1. Trachea, nose, external ear and costal cartilage are related to respiratory or auditory or skeletal - related structures. Joints are related to the musculoskeletal system for movement and connection of bones. They are different from the others in terms of function and structure.
2. Epithelium is composed of closely - packed cells with little extracellular material.

Answer:

1. c. joints
2. False