Which Event Occurs First

question 83

Multiple Choice

Which event occurs first?

• A)The diaphragm contracts.
• B)Air moves into the lungs.
• C)The phrenic nerve fires.
• D)The inspiratory neurons in the medulla fire.

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Definitions:

Agricultural

Pertaining to farming or the cultivation of plants and animals to provide food, fiber, medicinal plants, and other products.

Low pH

An acidic condition, representing a higher concentration of hydrogen ions, often found in environments like the stomach to aid in digestion.

Species Richness Hypothesis

The theory that ecosystems with more species tend to be more stable and productive than those with fewer species.

Tropical Rain Forest

A hot, moist biome found near the Earth's equator, known for its biodiversity, consistent temperature, and high levels of rainfall throughout the year.