BIOL 150: Human Biology

Grasp the fundamentals of how neurons transmit electrical signals through action potentials. Understand the crucial role of myelination and fiber diameter in efficient nerve impulse conduction. Dive into the comparisons of different nerve fiber types and their properties.

Explore the lethal impact of cyanide on cellular organelles particularly its devastating effect on mitochondria. Our video sheds light on how cyanide halts ATP production bringing cellular functions to a standstill. Ideal for students and educators seeking a comprehensive view of toxicology and cellular biology.

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.

Explore the intricate world of cells, from the simplicity of prokaryotes to the advanced complexity of eukaryotes. Dive into cell structures and their functions, revealing the evolutionary journey of cellular design. Understand key processes like mitosis, meiosis, and the cell cycle, and how they underpin life itself. This video offers a captivating look at the marvels of cellular evolution, providing clarity on their roles in sustaining and diversifying life on Earth.

Unlock the secrets of muscle anatomy to answer questions about a muscle's function and characteristics. Learn how the location of a muscle's insertion and origin impacts its action name and force of contraction. Enhance your knowledge about the human body's intricate mechanisms

Explore the fundamentals of atomic reactivity by evaluating the influence of electron shells, orbitals, and energy levels. This video highlights the pivotal role unpaired electrons play in determining how and why elements react, making it a cornerstone for chemistry enthusiasts.