The Internal Environment

question 50

Multiple Choice

The internal environment

• A)is not in direct contact with the body's cells
• B)consists of the intracellular fluid
• C)must be maintained at absolutely unchanging composition, temperature, and volume for survival of the body
• D)is in direct contact with the body's cells and consists of the extracellular fluid
• E)consists of the intracellular fluid and must be maintained at absolutely unchanging composition, temperature, and volume for survival of the body

---

Definitions:

Descriptive Method

A research method that involves observing and describing the behavior of a subject without influencing it in any way.

Psychological Research

The scientific study of human behavior, emotions, and mental processes through systematic observation, experimentation, and analysis.

Double-Blind Study

An experiment in which neither the people being studied nor the individuals running the study know who is in the control group and who is in the experimental group until after the results are tallied.

Observational Study

A research method where the researcher observes subjects in their natural environment without intervention.