Figure 1 -Assume You Are Observing the Night Sky from a Typical

question 91

Multiple Choice

Figure 1
-Assume you are observing the night sky from a typical city in the United States with a latitude of +40°. Using Figure 1, which constellation of the zodiac would be nearest to the meridian at 10 P.M. in mid-May?

• A) Aries
• B) Libra
• C) Capricornus
• D) Gemini
• E) Sagittarius

---

Definitions:

Medulla Oblongata

The lowest part of the brainstem, connecting the brain to the spinal cord and controlling vital functions such as breathing and heart rate.

Blood Oxygen Levels

A measure of how much oxygen is being carried in the blood, critical for the metabolic processes in the cells.

Regulation of Respiration

The processes involved in controlling the rate and depth of breathing.

Hemoglobin

A protein in red blood cells that carries oxygen from the lungs to the rest of the body and returns carbon dioxide back to the lungs to be exhaled.