
What part of the eye controls how much light enters the black hole (pupil) in the center of the eye?
A. optic nerve
B. pupil
C. cornea
D. iris
Select your answer:

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Psychology Vocabulary Anatomy and Physiology Skeletal System Anatomy Respiratory System Sensory System Key Terms Mutation & Genetic Engineering Forensics Terms SCI CH2-1 Brain and Nervous System Skeletal Tissue Restrictive Respiratory Disorders Cell Diversity - Organization, Tissues, Plants and Animals Endocrinology Basic Structure of the Human Body Muscles Healthy FoundationsOther quiz:
Genetics › ViewThe frequency of heterozygosity for the sickle-cell anemia allele is unusually high, presumably because this reduces the frequency of malaria. Such a relationship is related to which of the following?
A. Mendel’s law of independent assortment
B. Mendel’s law of segregation
C. Darwin’s explanation of natural selection
D. Darwin’s observations of competition
Motor Neuron Disease › View
CVA affected _______
A. LMNL
B. UMNL