1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Leya [2.2K]
3 years ago
7

The amount of light entering the eye is regulated by the colored muscle known as the:

Biology
1 answer:
MAVERICK [17]3 years ago
5 0
Answer:  "iris" .
__________________________________
You might be interested in
How do you think Homeostasis of an organism and cell transport are connected?
Stells [14]

Answer:

no they are not connected

5 0
3 years ago
Read 2 more answers
Which structure in plants produces a substance that protects the extending roots from developing friction?
MatroZZZ [7]

Answer:

root cap

Explanation:

6 0
3 years ago
What is population?<br>​
gulaghasi [49]

Answer:

population is number of inhabitants in area or place

4 0
3 years ago
Read 2 more answers
Nancy has a headache; she takes some aspirin, and the headache goes away. Nancy is more likely to take aspirin again. This is an
8_murik_8 [283]

The situation  is an example of negative reinforcement.

In the condition of negative reinforcement, a stimulus especially an unpleasant stimulus is removed due to a particular behavior of the person. In this case, the unpleasant behavior is the headache, and taking aspirin is a behavior of Nancy, which cut of the stimuli, that is pain relieving. In negative reinforcement a particular behavior is increased, in order to remove the unpleasant stimulus.

7 0
3 years ago
What is the life expectancy of stage 4 sarcoidosis?
rodikova [14]
To calculate life expectancy you need to know how much the disease severity, risk factor the patient had and the complication that already occurs. In general, 90% of stage IV sarcoidosis patient will survive in 5 years, and 80% will survive for 15 years. 
5 0
3 years ago
Other questions:
  • At what stage and in what eon did the earth develop seasons?
    6·2 answers
  • A patient comes to the emergency room with very low potassium and dehydration. The doctor would want to ask if this patient has
    7·2 answers
  • In the skeletal system which are the main tissues responsible for structural support in the body
    8·1 answer
  • What are the consequences of high levels of fertilizing chemicals in water?
    14·1 answer
  • 12.
    9·1 answer
  •  A complex of interconnected food chains in an ecosystem is called a/an 
    6·1 answer
  • Which statement is true about DNA ? a.Both of the original DNA strands act as templates during replication. b.It is a single-str
    9·1 answer
  • Genetic Diseases are very common.
    15·2 answers
  • How does nitrogen move through the community?*
    6·1 answer
  • Please help (i guess cells will be under the biology)
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!