We Do Not See the Blood Vessels and Neurons That

question 84

Multiple Choice

 We do not see the blood vessels and neurons that lie in front of the photoreceptors because

• A) the visual system does not respond much to stimuli that never change.
• B) these structures are made of special proteins whose fibers make them transparent.
• C) they are blocked by the vitreous humor.
• D) they lie behind the lens and cornea.

---

Definitions:

Correlation Coefficient

A statistical measure that describes the extent to which two variables change together.

Direction of the Relationship

Refers to the causal relationship between variables, indicating whether one variable increases or decreases as another variable changes.

Driving Accidents

Incidents involving vehicles in motion which result in damage, injury, or death.

Representative Sample

A subset of a population that accurately reflects the members of the entire population, often used in research to draw conclusions about the population as a whole.