You Can Tell "Up" from "Down" Even When Your Eyes

question 44

Multiple Choice

You can tell "up" from "down" even when your eyes are closed. This is due to your

• A) rotational equilibrium.
• B) statocysts.
• C) sense of hearing.
• D) lateral line system.
• E) gravitational equilibrium.

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Definitions:

Systolic

Pertaining to the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries.

Diastolic

Refers to the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood, specifically noted as the bottom number in blood pressure readings.

Hypertension

A condition characterized by consistently elevated blood pressure levels, often leading to significant health risks.

Vessel Walls

The structural components that form the boundaries of blood vessels, such as arteries and veins, responsible for regulating blood pressure and flow.