In an Open Circulatory System,where Is Blood Found

question 81

Multiple Choice

In an open circulatory system,where is blood found?

• A)always inside of vessels and under higher pressure than in closed circulatory systems
• B)not always confined to blood vessels and under higher pressure than in closed circulatory systems
• C)always inside of vessels and under lower pressure than in closed circulatory systems
• D)not always confined to blood vessels and under lower pressure than in closed circulatory systems
• E)not always confined to blood vessels and under the same pressure as in closed circulatory systems

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Definitions:

Statistically Significant

An attribute of study findings that indicates a high probability that the observed results are not due to chance alone.

Experimental Design

The plan for a scientific experiment to test a hypothesis, including how data is to be collected and analyzed.

Probability

The likelihood of a specific event or outcome happening, often expressed as a number between 0 and 1.

Control

In an experiment, a control group or element is used as a benchmark to measure how the other tested elements differ.