By Barbara Liang
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Learners examine the structure and function of skin including the production of melanin.
In this interactive object, learners examine the structure and function of the sense of taste.
In this animated and interactive object, learners examine the red blood cell's life cycle and function. A brief exercise completes the activity.
Answer questions about biology in a game of baseball
You'll practice solving problems using the rule for multiplying powers with the same base.