BIOL 203: Physiology

Learn about the critical roles of the epiglottis and glottis in our respiratory and digestive systems. Understand how the epiglottis acts as a protective gate during swallowing, while the glottis facilitates sound production. Together, they ensure safe breathing and swallowing.

Unravel the intricacies of mitosis by identifying each phase and their characteristics. Highlight the process that is not a part of mitosis, emphasizing the importance of DNA replication.

Discover the mechanics of voltage-gated Na+ channels and their role in neuron activity. This video breaks down key neuronal terms like resting potential and threshold to explain precisely when these channels open. You'll come away understanding that voltage-gated Na+ channels open at the threshold state initiating an action potential.

Discover the intricate details of the pelvis anatomy as we analyze and correct misconceptions about its structure and components, using sketches for clarity.

Explore the vital roles of pharyngeal slits in lancelets and tunicates. Learn how these clefts aid in filter-feeding, capturing food particles, and evolve through different life stages.

Journey through the intricate layers of life, from the foundational atoms and molecules that shape our world to the grand evolution of organisms. Discover how tools, like the microscope, revolutionized our understanding, and delve deep into the essence of biology. Experience the fusion of history, science, and the beauty of nature in one comprehensive exploration.