BI 113: Anatomy & Physiology 1

Explore the definitions of tissue, organ, and organ system. Understand the distinctions and interconnectedness between these components. Get an overview of the human body's eleven major organ systems and their functions.

Explore the critical components of the Peripheral Nervous System (PNS), including nerves and ganglia. Understand the distinction between sensory and autonomic ganglia and the composition of nerves' layers. Learn why nerves and ganglia lack the protective meninges found in the CNS and how they facilitate essential signal transmission within the body.

Explore the integral role of white rami communicantes within the autonomic nervous system. This video clarifies their function, anatomical location, and the specific nerve fibers they contain, highlighting their importance in our body's fight-or-flight response.

Discover the role of Okazaki fragments in DNA replication and the importance of DNA Ligase in ensuring their correct joining. Learn how a malfunction in this enzyme might disrupt the formation of continuous DNA strands on the lagging strand.

Discover the distinct identity of elements as we clarify the smallest unit that embodies their unique properties. Breaking down options such as electrons, isotopes, and elemental particles, this video offers a clear explanation of why atoms stand out.

Learn about the unique adaptability of facultatively anaerobic cells in different oxygen conditions. Discover the outcome of an experiment comparing their growth in aerobic and anaerobic environments. Grasp the resilience of these cells and their growth mechanisms.