BIOL 221: General Microbiology

Discover how our brain interprets the scent of smoke differently based on context. Compare reactions in an open campfire setting versus an enclosed residence hall. Understand the underlying mechanisms of olfactory fatigue and context-driven alarm responses.

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.

Explore the indispensable role of decomposers in ecosystems. Understand their impact on nutrient cycling, energy flow, and ecological balance. Realize what Earth would face without these vital organisms.

Get acquainted with the intricate details of the vertebrae, from typical structure components to the unique traits of cervical, thoracic, and lumbar vertebrae. Enhance your grasp of the spinal column's sophistication and importance in human anatomy.

Dive into the biochemistry of haemoglobin, a pivotal protein in red blood cells. We assess key statements about its structure and function, clarifying common misconceptions.