BIOL 151: Introduction to Biology II

Discover the role and location of Langerhans cells key components of the human immune system found in the skin. Learn about the different layers of the skin and where these cells predominantly reside. By the end of the video you'll know that Langerhans cells are mainly found in the Stratum Spinosum layer

Explore the profound impact of oceans on the biosphere in this video. Discover how oceans contribute to oxygen production, carbon dioxide absorption, and climate moderation, while also uncovering their limitations in regulating the pH of freshwater biomes and terrestrial groundwater.

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.

Explore the fascinating world of vertebrates and tunicates in this video answer. Learn about their shared anatomical features including notochords and dorsal hollow nerve cords that reveal their closely linked evolutionary history

Explore the pivotal role of enhancers in gene expression as we dissect their function and interaction with transcription factors. Gain insights into how they crucially influence the transcriptional control of genes.

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.