BIOL 168: Anatomy and Physiology 1

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 intricate world of phylogenetic systematics, a method revealing life's diverse connections. Dive into the tree-like structure representing evolutionary relationships. Unravel how shared traits help sketch the ever-evolving story of life

Discover the significance of coronary arteries in heart health, where they branch from, and their role in delivering oxygen-rich blood to the heart muscle. Learn the differences between the ascending aorta, aortic arch, and pulmonary trunk in relation to the coronary arteries.

Unveil the essential muscles that make breathing possible in this video. Learn why the diaphragm and scalene are crucial players and why other muscles like the trapezius and semispinalis aren't involved in respiration.

Unravel the intricate process of hematopoiesis, the production of blood cells in our body. This video discusses various sites, including bone marrow and spongy bone, distinguishing between infants and adults in terms of blood cell generation.

Explore the influential Three-Domain System of classification, introduced by Carl Woese in 1978. Discover how it categorizes life into Bacteria, Archaea, and Eukarya based on distinctive cellular structures. Learn about the characteristics of each domain, from prokaryotic Bacteria and Archaea to the rich diversity within Eukarya, encompassing Protists, Fungi, Plants, Animals, and the unique world of viruses.