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    Cardiac Output
    This module introduces Fick's principle in the context of understanding the cardiac output. It is intended for an introductory biology audience.
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    Hemoglobin Evolution
    This module introduces equations describing blood viscosity and oxygen transport in the context of understanding the evolution of red blood cells. It is intended for an introductory biology audience.
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    Lung Capacity and Rhythms in Breathing
    This module introduces rhythmic inhaling and exhaling in the context of understanding trigonometry and sine waves. It is intended for an introductory biology audience.
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    Tension in Blood Vessels: LaPlace's Equation
    This module introduces Laplace's equation in the context of understanding tension in the walls of blood vessels. It is intended for an introductory biology audience.
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    Oxygen Diffusion in Simple Organisms
    This module introduces equations related to oxygen diffusion in the context of understanding the relationship between oxygen needs and metabolism. It is intended for an introductory biology audience.
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    Sperm Motility
    This module introduces equations related to oxygen diffusion in the context of understanding the relationship between oxygen needs and metabolism. It is intended for an introductory biology audience.
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    Muscle Contraction
    This module introduces equations around muscle force in the context of understanding the Sliding Filament Model. It is intended for an introductory biology audience.
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    Osmoregulation
    This module introduces the osmotic work equation in the context of understanding osmoregulation. It is intended for an introductory biology audience.
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    Synapse Transmission and Action Potentials
    This module introduces action potentials in the context of understanding nerve impulses. It is intended for an introductory biology audience.
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    Using Regression Models to Examine the Effect of Carbon Dioxide on Fluid pH
    In this activity students will use statistics and regression models to explore the effects of carbon dioxide on blood pH by measuring pH changes that occur over time as carbon dioxide reacts with...
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    Regulation of Sex Determination
    This activity accompanies the HHMI BioInteractive module Sex Verification of Athletes (​https://www.hhmi.org/biointeractive/testing-athletes​). It provides students with exercises to explore the...
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    Diversity and Inclusion in Animal Behavior – ABI Faculty Development Program
    In this course, students will learn about the study of behavior from an evolutionary perspective. We will look at the mechanisms underlying behavior and how behavior develops in an animal’s...
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    Plant Cell Expansion and Plant Hormones
    This module introduces the cell enlargement model in the context of understanding plant hormones' effects. It is intended for an introductory biology audience.
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    A Scientist Spotlight Featuring Dr. Danielle Brown
    A Scientist Spotlight-style assignment designed to introduce students to themes of quantitative biology, field research, and diversity, equity, and inclusion in science. Includes Teaching Notes,...
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    Movement: Nature's Flying Machines
    In this lab, you will explore the physics of flight, the adaptations that make powered flight possible, and the evolution of powered flight in vertebrates and invertebrates.
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    Electrical and chemical communication in the nervous system
    This activity guides students through an online tutorial to examine the electrical and chemical communication of neurons.
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    Nastic Movements in Plants
    This module introduces an osmotic model in the context of understanding plants' capability of rapidly adapting to changes in their environment. It is intended for an introductory biology audience.
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    Phototropism and Gravitropism: Quantifying Stem Curvature in Plants Introduction
    This module introduces phototropism and gravitropism in the context of understanding how to quantify stem curvature of plants. It is intended for an introductory biology audience.
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    Quantitative Cytological Characteristics: Photorespiration
    This module introduces quantitative cytological characteristics in the context of understanding cell behavior under stress. It is intended for an introductory biology audience.
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    Translocation of Nutrients in the Phloem: Dixon's Paradox
    This module introduces the Dixon equation in the context of understanding nutrient transport through sieve tubes. It is intended for an introductory biology audience.
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