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Biology - SC3209 IC
Lab: Blood Typing — Unit test
Question 20
20
Quiz
Multiple Choice
Lab: Blood Typing — Unit test
Question 20 • Biology - SC3209 IC
The iris in the human eye contracts and expands, controlling the amount of light that reaches the retina. What types of muscle control this?
Answer
A
skeletal and voluntary
B
smooth and cardiac
C
skeletal and smooth
D
smooth and involuntary
Question 20
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