BIO 140: Foundations of Biology I

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.

Explore the secrets of fossilization in sedimentary rocks. Uncover how these rocks, like nature's archives, preserve the history of life on Earth over billions of years. Delve into the unique processes that create these historical records.

Unpack the intricate process of photosynthesis, revealing the two major stages within chloroplasts. Discover the vital roles of ATP and NADPH in the Calvin Cycle. Grasp the essence of how plants fuel life on Earth.

Explore the underlying causes of muscle fatigue and the crucial role of lactic acid. Understand the impact of ATP depletion and anaerobic metabolism on muscle performance. Gain insights into planning effective exercise and recovery strategies.

Unravel the intricacies of the Autonomic Nervous System (ANS) and its pivotal role in controlling involuntary bodily functions. Differentiate between the sympathetic and parasympathetic systems and their unique contributions. Debunk misconceptions surrounding the ANS's characteristics.

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.