Classroom Resources

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Image from the animation of different skin colors

How We Get Our Skin Color

This animation describes how skin color is generated by skin cells as protection against ultraviolet (UV) radiation.

Cell Biology
Anatomy & Physiology
Animations
High School — General
High School — AP/IB
College
Computer image of neurons from the video

Molecular Mechanism of Synaptic Function

This animation shows how neurons send and receive signals to communicate with one another at contact points called synapses.

Cell Biology
Anatomy & Physiology
Animations
High School — AP/IB
College
Computer illustration of crossing over between chromosomes

Meiosis

This animation shows how meiosis, the form of cell division unique to egg and sperm production, can give rise to sperm that carry either an X or a Y chromosome.

Cell Biology
Anatomy & Physiology
Animations
High School — AP/IB
College