When Attempting to Locate a Constellation in the Night Sky

question 8

Multiple Choice

When attempting to locate a constellation in the night sky, Sally notices that she can see the stars better if she doesn't look directly at them. In doing this, the light from the star she wishes to see falls away from the fovea to the part of the retina that has a higher concentration of , which are better adapted to seeing at night.

• A) ganglion cells
• B) cones
• C) nerves
• D) rods

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Definitions:

ECG Machine

An electrocardiogram machine, a medical device used to record the electrical activity of the heart to detect cardiac abnormalities.

Amplifier

A device on an electrocardiograph that enlarges the ECG impulses.

Electrical Impulses

Quick bursts of electrical activity that carry messages within the body, especially within the nervous system.

ECG Machine

A diagnostic tool that records the electrical activity of the heart over a period of time, used to detect heart diseases and monitor heart health.