Author Question: Which of the following structures focuses incoming light rays onto the retina? a. iris b. lens ... (Read 88 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
Which of the following structures focuses incoming light rays onto the retina?
 
  a. iris
  b. lens
  c. pupil
  d. ciliary body

Question 2

Which is a suffix that means measure?
 
  A. -scope
  B. -meter
  C. -scopy
  D. -logy


Eazy416

  • Sr. Member
  • ****
  • Posts: 360
Answer to Question 1

b
Explanation:
a. iris: is the colored portion of the eye
b. lens: correct
c. pupil: is responsible for controlling the amount of light that enters the eye
d. ciliary body: is the ring of muscle around the outer edge of the lens

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

For a complete list of videos, visit our video library