Explore how a goldfinch interacts with its environment and how it's affected by environmental changes.

Explore what proteins are, their structure, and their functions.

In this animated object, learners examine water molecules moving through a semipermeable membrane.

The learner explores the cognitive levels associated with brain trauma and develops a treatment plan for a patient.

In this learning activity you'll explore the physical construction and operation of single-mode and multi-mode fiber-optic cables used in networking.

In this interactive object, learners examine the neuron pathway into and out of the spinal cord. They complete the activity by testing their knowledge of vocabulary and the location of spinal cord structures.

In this colorful, interactive object, learners examine nervous and epithelial tissue composition and function. A quiz completes the activity.

In this learning activity you'll review the steps for calibrating the length of depth micrometer measuring rods.

In this highly interactive and animated object, learners complete three exercises to identify the cranial nerves and their functions.

Main muscles in the human body

You'll define Ocular terminology based on word parts.

You'll be introduced to basic terminology of the human eye.