BIOL 110: Principles of Biological Sciences I

Discover the intricacies of action potentials in the nervous system. Unpack five statements on why they move in one direction, spotlighting the role of the refractory period. Grasp the significance of voltage-gated channels and ion flow in neural communication.

Discover the body's innate ability to adapt to extreme cold conditions. Learn how the brain orchestrates warming responses like shivering. Grasp the concept of homeostasis in maintaining internal stability.

This data-driven video examines the difference in nucleotide replication rates between prokaryotes and eukaryotes, providing insights into the factors affecting their speed. It concludes that prokaryotes outpace eukaryotes, replicating nucleotides approximately ten times faster, and explores the contributing factors behind this difference.

Primary succession is the process of converting barren, lifeless rock into a flourishing terrestrial community. This ecological transformation begins with pioneering species and lays the foundation for complex ecosystems.

Unlock the intricacies of kidney function as we focus on the role of nephrons and their specific components in regulating water recovery or disposal. Understand how collecting ducts are the main player in this process and debunk common misconceptions about other nephron parts.

Unlock the basics of the anatomical position, a crucial standard in medical and anatomical studies. This video clarifies the key differences among prone, supine, and standing positions and why they're not the anatomical position.