BIOL 3020: General Microbiology

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.

Discover the relationship between the papillary layer of the dermis and the layers of the epidermis. Understand the structure, function, and connections that exist in our skin's anatomy.

Learn about the composition of arteries focusing on those closer to the heart. Understand the role of endothelium smooth muscle fibers elastic fibers and collagen in these arterial structures. Discover why arteries near the heart have a higher percentage of elastic fibers to withstand pressure changes effectively.

Discover the precise organization of thin and thick filaments in muscle cells as we debunk misconceptions and highlight the vital role of sarcomeres in muscle contraction.

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.