BIO 171: Human Anatomy

Discover the intriguing behavioral responses of ants, triggered by chemical cues. This video explains how ants instinctively handle their dead, highlighting the significance of fixed action patterns in animal behavior. Learn how biology and behavior seamlessly connect in the complex world of ants.

Explore the intricate layers of organization in the human body. From molecules to the complete organism, understand the sequential formation of our biological structure. Uncover the reasons behind incorrect hierarchical interpretations.

Explore the composition of the diaphysis in long bones. Learn about the significance of compact bone in providing strength and differentiating it from other bone components.

Explore the fascinating process of protein digestion, debunking misconceptions about where it starts. Discover the roles of enzymes like pepsin and HCl in breaking down proteins in the stomach.

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.

Explore the intricate eukaryotic cell structure, from the protective plasma membrane to the vital organelles. Learn how DNA, ribosomes, and the cytoskeleton play pivotal roles in cellular function. Dive deep into the world of mitochondria, ER, and the Golgi apparatus.