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Learners read how microbes in such items as yogurt, bread, insulin, and insect sprays improve our lives.
The Two-Neuron Knee-Jerk Reflex Arc
By Barbara Liang
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.
Glucose Metabolism for the Endocrine System
In this interactive object, learners read about the seven hormones that help regulate blood glucose. A quiz completes the activity.
Summary of Energy Yield During Cellular Respiration
By Becky Polk-Pohlman
Learners review a graphic summary of the three series of reactions that occur during cellular respiration and the net energy (ATP) yield of that process.
The Autonomic Nervous System - Sympathetic Division
Learners examine the function and wiring of the sympathetic nervous system.
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