BIOL 1108: Principles of Biology II

Learn about male pattern baldness as we break down the science behind shrinking hair follicles and their effects on hair thinning. Learn why bald men still have hair follicles and what happens to them over time. Ideal for anyone keen to understand the biology of hair loss.

Discover the rich tapestry of a forest ecosystem, from diverse plant life to a wide range of forest-dwelling animals. Explore the vital roles of fungi and microorganisms in this dynamic environment. Learn about the abiotic factors, including soil types, water sources, sunlight, temperature, and oxygen, that shape this magnificent symphony of life.

Unravel the origins of blood cell types as we differentiate between myeloid and lymphoid stem cells, highlighting the unique lineage of platelets, B cells, and Natural Killer cells.

Discover the fundamentals of the respiratory system and the primary muscle behind inspiration. This video breaks down the physiological process of breathing, the key role of the diaphragm, and why other muscles don't initiate breathing.

Discover the differences between hydrocarbons and other organic molecules. While hydrocarbons contain only carbon and hydrogen, other organic molecules integrate more elements and functional groups. This distinction leads to diverse chemical properties and vital biological functions.