Laboratory animals have organs and body systems similar to humans and other animals. In many cases, they are susceptible to the same diseases that affect humans. Because of this, the data derived from research on these animals can be applied directly to humans and to other animals as well. While not all biomedical research involves the use of animals, animals are essential in many areas.

The short life span of research animals allows scientists to study them throughout the entire life cycle—and even through several generations—within a short period of time. Also, using laboratory animals in scientific studies allows researchers precise control over the animals’ environment (light, temperature, ventilation, etc.) to ensure that the animals are healthy and thus keep experimental variables to a minimum. Healthy, well cared-for, adequately housed animals are necessary to produce accurate research results.

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