« previous next »

Author Question: Marcella gets up early, turns on the light in the bathroom, and watches herself in the mirror as the ... (Read 46 times)

fagboi

  • Hero Member
  • *****
  • Posts: 535
on: Jun 19, 2018
Marcella gets up early, turns on the light in the bathroom, and watches herself in the mirror as the blue ring of her eyes constrict. What is this blue ring called?
 
  a. pupil
  b. iris
  c. retina
  d. cornea

Question 2

The clear surface at the front of the eye that begins the process of directing light to the retina is the ____.
 
  a. pupil
  b. iris
  c. retina
  d. cornea


C.mcnichol98

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jun 19, 2018
Answer to Question 1

ANSWER:
b

Answer to Question 2

ANSWER:
d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Representative Light Curves of Eclipsing Binaries Representative Light Curves of Eclipsing Binaries
The early stages of the human life cycle. The early stages of the human life cycle.
The early regulatory region of phage l The early regulatory region of phage l
Early Pottery From The Franchthi Cave, Greece Early Pottery From The Franchthi Cave, Greece
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Light micrograph of a live diatom, with chloroplasts visible through the shell Light micrograph of a live diatom, with chloroplasts visible through the shell
Video: Introduction to Eating Disorders

For a complete list of videos, visit our video library