1. Which of the following is not part of the retina?
A. Rods and cones
B. Cornea
C. Macula lutea
D. Fovea centralis
2. The ECG wave that occurs at the beginning of ventricular systole is the wave.
1. Which of the following is not part of the retina?
A. Rods and cones
B. Cornea
C. Macula lutea
D. Fovea centralis
2. The ECG wave that occurs at the beginning of ventricular systole is the wave.
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