Although not pleasant, throwing up is one of the body's defense mechanisms. The video explains how some animals do not have this option, and instead, have other means of eliminating harmful substances. Horses and rats are two examples.

Concepts

the digestive system, survival, poison

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Additional Tags

science

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Instructional Ideas

• Include with a unit on the digestive system to grab pupils' attention
• Ask class members to research other animals that are not able to throw up

Classroom Considerations

• Learners should be relatively familiar with the digestive system

• This video is hosted on YouTube

Pros

• Gives scientific explanations for the facts shared in the video
• Reasonable length to use within any class period

Cons

• None